add i18n

messages/en-US/alphabet.json

@@ -0,0 +1,13 @@
+{
+  "chooseCharacters": "Please select the characters you want to learn",
+  "japanese": "Japanese Kana",
+  "english": "English Alphabet",
+  "uyghur": "Uyghur Alphabet",
+  "esperanto": "Esperanto Alphabet",
+  "loading": "Loading...",
+  "loadFailed": "Loading failed, please try again",
+  "hideLetter": "Hide Letter",
+  "showLetter": "Show Letter",
+  "hideIPA": "Hide IPA",
+  "showIPA": "Show IPA"
+}

messages/en-US/home.json

@@ -0,0 +1,33 @@
+{
+  "title": "Learn Languages",
+  "description": "Here is a very useful website to help you learn almost every language in the world, including constructed ones.",
+  "explore": "Explore",
+  "fortune": {
+    "quote": "Stay hungry, stay foolish.",
+    "author": "— Steve Jobs"
+  },
+  "translator": {
+    "name": "Translator",
+    "description": "Translate to any language and annotate with International Phonetic Alphabet (IPA)"
+  },
+  "textSpeaker": {
+    "name": "Text Speaker",
+    "description": "Recognize and read text aloud, supports loop playback and speed adjustment"
+  },
+  "srtPlayer": {
+    "name": "SRT Video Player",
+    "description": "Play videos sentence by sentence based on SRT subtitle files to mimic native speaker pronunciation"
+  },
+  "alphabet": {
+    "name": "Memorize Alphabet",
+    "description": "Start learning a new language from the alphabet"
+  },
+  "memorize": {
+    "name": "Memorize Words",
+    "description": "Language A to Language B, Language B to Language A, supports dictation"
+  },
+  "moreFeatures": {
+    "name": "More Features",
+    "description": "Under development, stay tuned"
+  }
+}

messages/en-US/memorize/choose.json

@@ -0,0 +1,4 @@
+{
+  "back": "Back",
+  "choose": "Choose"
+}

messages/en-US/memorize/edit.json

@@ -0,0 +1,6 @@
+{
+  "back": "Back",
+  "save": "Save Word Pairs",
+  "locale1": "Locale 1",
+  "locale2": "Locale 2"
+}

messages/en-US/memorize/main.json

@@ -0,0 +1,10 @@
+{
+  "title": "Memorize",
+  "locale1": "Your selected locale 1 is {locale}",
+  "locale2": "Your selected locale 2 is {locale}",
+  "total": "There are {total} word pairs in total",
+  "start": "Start",
+  "import": "Import",
+  "save": "Save",
+  "edit": "Edit"
+}

messages/en-US/memorize/start.json

@@ -0,0 +1,7 @@
+{
+  "show": "Show",
+  "reverse": "Reverse",
+  "dictation": "Dictation",
+  "back": "Back",
+  "next": "Next"
+}

messages/en-US/navbar.json

@@ -0,0 +1,5 @@
+{
+  "title": "LL",
+  "about": "About",
+  "sourceCode": "GitHub"
+}

messages/en-US/srt-player.json

@@ -0,0 +1,10 @@
+{
+  "uploadVideo": "Upload Video",
+  "uploadSubtitle": "Upload Subtitle",
+  "pause": "Pause",
+  "play": "Play",
+  "previous": "Previous",
+  "next": "Next",
+  "restart": "Restart",
+  "autoPause": "Auto Pause ({enabled})"
+}

messages/en-US/text-speaker.json

@@ -0,0 +1,5 @@
+{
+  "generateIPA": "Generate IPA",
+  "viewSavedItems": "View Saved Items",
+  "confirmDeleteAll": "Are you sure you want to delete everything? (Y/N)"
+}

messages/en-US/translator.json

@@ -0,0 +1,12 @@
+{
+  "detectLanguage": "detect language",
+  "generateIPA": "generate ipa",
+  "translateInto": "translate into",
+  "chinese": "Chinese",
+  "english": "English",
+  "italian": "Italian",
+  "other": "Other",
+  "translating": "translating...",
+  "translate": "translate",
+  "inputLanguage": "Input a language."
+}

messages/zh-CN/alphabet.json

@@ -0,0 +1,13 @@
+{
+  "chooseCharacters": "请选择您想学习的字符",
+  "japanese": "日语假名",
+  "english": "英文字母",
+  "uyghur": "维吾尔字母",
+  "esperanto": "世界语字母",
+  "loading": "加载中...",
+  "loadFailed": "加载失败，请重试",
+  "hideLetter": "隐藏字母",
+  "showLetter": "显示字母",
+  "hideIPA": "隐藏IPA",
+  "showIPA": "显示IPA"
+}

messages/zh-CN/home.json

@@ -0,0 +1,33 @@
+{
+  "title": "学语言",
+  "description": "这里是一个非常有用的网站，可以帮助你学习世界上几乎每一种语言，包括人造语言。",
+  "explore": "探索网站",
+  "fortune": {
+    "quote": "求知若饥，虚心若愚。",
+    "author": "—— 史蒂夫·乔布斯"
+  },
+  "translator": {
+    "name": "翻译器",
+    "description": "翻译到任何语言，并标注国际音标（IPA）"
+  },
+  "textSpeaker": {
+    "name": "朗读器",
+    "description": "识别并朗读文本，支持循环朗读、朗读速度调节"
+  },
+  "srtPlayer": {
+    "name": "逐句视频播放器",
+    "description": "基于SRT字幕文件，逐句播放视频以模仿母语者的发音"
+  },
+  "alphabet": {
+    "name": "背字母",
+    "description": "从字母表开始新语言的学习"
+  },
+  "memorize": {
+    "name": "背单词",
+    "description": "语言A到语言B，语言B到语言A，支持听写"
+  },
+  "moreFeatures": {
+    "name": "更多功能",
+    "description": "开发中，敬请期待"
+  }
+}

messages/zh-CN/memorize/choose.json

@@ -0,0 +1,4 @@
+{
+  "back": "返回",
+  "choose": "选择"
+}

messages/zh-CN/memorize/edit.json

@@ -0,0 +1,6 @@
+{
+  "back": "返回",
+  "save": "保存单词对",
+  "locale1": "区域1",
+  "locale2": "区域2"
+}

messages/zh-CN/memorize/main.json

@@ -0,0 +1,10 @@
+{
+  "title": "记忆",
+  "locale1": "您选择的区域一是{locale}",
+  "locale2": "您选择的区域二是{locale}",
+  "total": "总计有{total}个单词对",
+  "start": "开始",
+  "import": "导入",
+  "save": "保存",
+  "edit": "编辑"
+}

messages/zh-CN/memorize/start.json

@@ -0,0 +1,7 @@
+{
+  "show": "显示",
+  "reverse": "反向",
+  "dictation": "听写",
+  "back": "返回",
+  "next": "下个"
+}

messages/zh-CN/navbar.json

@@ -0,0 +1,5 @@
+{
+  "title": "学语言",
+  "about": "关于",
+  "sourceCode": "源码"
+}

messages/zh-CN/srt-player.json

@@ -0,0 +1,10 @@
+{
+  "uploadVideo": "上传视频",
+  "uploadSubtitle": "上传字幕",
+  "pause": "暂停",
+  "play": "播放",
+  "previous": "上句",
+  "next": "下句",
+  "restart": "句首",
+  "autoPause": "自动暂停({enabled})"
+}

messages/zh-CN/text-speaker.json

@@ -0,0 +1,5 @@
+{
+  "generateIPA": "生成IPA",
+  "viewSavedItems": "查看保存项",
+  "confirmDeleteAll": "确定删光吗？(Y/N)"
+}

messages/zh-CN/translator.json

@@ -0,0 +1,12 @@
+{
+  "detectLanguage": "检测语言",
+  "generateIPA": "生成国际音标",
+  "translateInto": "翻译为",
+  "chinese": "中文",
+  "english": "英文",
+  "italian": "意大利语",
+  "other": "其他",
+  "translating": "翻译中...",
+  "translate": "翻译",
+  "inputLanguage": "请输入语言。"
+}

next.config.ts

@@ -1,9 +1,10 @@
 import type { NextConfig } from "next";
-
+import createNextIntlPlugin from "next-intl/plugin";
 const nextConfig: NextConfig = {
   /* config options here */
   output: "standalone",
   allowedDevOrigins: ["192.168.3.65", "192.168.3.66"],
 };
 
-export default nextConfig;
+const withNextIntl = createNextIntlPlugin();
+export default withNextIntl(nextConfig);

package-lock.json

@@ -9,9 +9,12 @@
       "version": "0.1.0",
       "license": "GPL-3.0-only",
       "dependencies": {
+        "@formatjs/intl-localematcher": "^0.6.2",
         "edge-tts-universal": "^1.3.2",
         "motion": "^12.23.24",
+        "negotiator": "^1.0.0",
         "next": "15.5.3",
+        "next-intl": "^4.4.0",
         "react": "19.1.0",
         "react-dom": "19.1.0",
         "zod": "^3.25.76"
@@ -2452,6 +2455,57 @@
         "excpretty": "build/cli.js"
       }
     },
+    "node_modules/@formatjs/ecma402-abstract": {
+      "version": "2.3.6",
+      "resolved": "https://mirrors.cloud.tencent.com/npm/@formatjs/ecma402-abstract/-/ecma402-abstract-2.3.6.tgz",
+      "integrity": "sha512-HJnTFeRM2kVFVr5gr5kH1XP6K0JcJtE7Lzvtr3FS/so5f1kpsqqqxy5JF+FRaO6H2qmcMfAUIox7AJteieRtVw==",
+      "license": "MIT",
+      "dependencies": {
+        "@formatjs/fast-memoize": "2.2.7",
+        "@formatjs/intl-localematcher": "0.6.2",
+        "decimal.js": "^10.4.3",
+        "tslib": "^2.8.0"
+      }
+    },
+    "node_modules/@formatjs/fast-memoize": {
+      "version": "2.2.7",
+      "resolved": "https://mirrors.cloud.tencent.com/npm/@formatjs/fast-memoize/-/fast-memoize-2.2.7.tgz",
+      "integrity": "sha512-Yabmi9nSvyOMrlSeGGWDiH7rf3a7sIwplbvo/dlz9WCIjzIQAfy1RMf4S0X3yG724n5Ghu2GmEl5NJIV6O9sZQ==",
+      "license": "MIT",
+      "dependencies": {
+        "tslib": "^2.8.0"
+      }
+    },
+    "node_modules/@formatjs/icu-messageformat-parser": {
+      "version": "2.11.4",
+      "resolved": "https://mirrors.cloud.tencent.com/npm/@formatjs/icu-messageformat-parser/-/icu-messageformat-parser-2.11.4.tgz",
+      "integrity": "sha512-7kR78cRrPNB4fjGFZg3Rmj5aah8rQj9KPzuLsmcSn4ipLXQvC04keycTI1F7kJYDwIXtT2+7IDEto842CfZBtw==",
+      "license": "MIT",
+      "dependencies": {
+        "@formatjs/ecma402-abstract": "2.3.6",
+        "@formatjs/icu-skeleton-parser": "1.8.16",
+        "tslib": "^2.8.0"
+      }
+    },
+    "node_modules/@formatjs/icu-skeleton-parser": {
+      "version": "1.8.16",
+      "resolved": "https://mirrors.cloud.tencent.com/npm/@formatjs/icu-skeleton-parser/-/icu-skeleton-parser-1.8.16.tgz",
+      "integrity": "sha512-H13E9Xl+PxBd8D5/6TVUluSpxGNvFSlN/b3coUp0e0JpuWXXnQDiavIpY3NnvSp4xhEMoXyyBvVfdFX8jglOHQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@formatjs/ecma402-abstract": "2.3.6",
+        "tslib": "^2.8.0"
+      }
+    },
+    "node_modules/@formatjs/intl-localematcher": {
+      "version": "0.6.2",
+      "resolved": "https://mirrors.cloud.tencent.com/npm/@formatjs/intl-localematcher/-/intl-localematcher-0.6.2.tgz",
+      "integrity": "sha512-XOMO2Hupl0wdd172Y06h6kLpBz6Dv+J4okPLl4LPtzbr8f66WbIoy4ev98EBuZ6ZK4h5ydTN6XneT4QVpD7cdA==",
+      "license": "MIT",
+      "dependencies": {
+        "tslib": "^2.8.0"
+      }
+    },
     "node_modules/@humanfs/core": {
       "version": "0.19.1",
       "resolved": "https://mirrors.cloud.tencent.com/npm/@humanfs/core/-/core-0.19.1.tgz",
@@ -3876,6 +3930,12 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@schummar/icu-type-parser": {
+      "version": "1.21.5",
+      "resolved": "https://mirrors.cloud.tencent.com/npm/@schummar/icu-type-parser/-/icu-type-parser-1.21.5.tgz",
+      "integrity": "sha512-bXHSaW5jRTmke9Vd0h5P7BtWZG9Znqb8gSDxZnxaGSJnGwPLDPfS+3g0BKzeWqzgZPsIVZkM7m2tbo18cm5HBw==",
+      "license": "MIT"
+    },
     "node_modules/@sinclair/typebox": {
       "version": "0.27.8",
       "resolved": "https://mirrors.cloud.tencent.com/npm/@sinclair/typebox/-/typebox-0.27.8.tgz",
@@ -5019,6 +5079,17 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/accepts/node_modules/negotiator": {
+      "version": "0.6.3",
+      "resolved": "https://mirrors.cloud.tencent.com/npm/negotiator/-/negotiator-0.6.3.tgz",
+      "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==",
+      "license": "MIT",
+      "optional": true,
+      "peer": true,
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/acorn": {
       "version": "8.15.0",
       "resolved": "https://mirrors.cloud.tencent.com/npm/acorn/-/acorn-8.15.0.tgz",
@@ -6528,6 +6599,12 @@
         }
       }
     },
+    "node_modules/decimal.js": {
+      "version": "10.6.0",
+      "resolved": "https://mirrors.cloud.tencent.com/npm/decimal.js/-/decimal.js-10.6.0.tgz",
+      "integrity": "sha512-YpgQiITW3JXGntzdUmyUR1V812Hn8T1YVXhCu+wO3OpS4eU9l4YdD3qjyiKdV6mvV29zapkMeD390UVEf2lkUg==",
+      "license": "MIT"
+    },
     "node_modules/deep-extend": {
       "version": "0.6.0",
       "resolved": "https://mirrors.cloud.tencent.com/npm/deep-extend/-/deep-extend-0.6.0.tgz",
@@ -8462,6 +8539,18 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/intl-messageformat": {
+      "version": "10.7.18",
+      "resolved": "https://mirrors.cloud.tencent.com/npm/intl-messageformat/-/intl-messageformat-10.7.18.tgz",
+      "integrity": "sha512-m3Ofv/X/tV8Y3tHXLohcuVuhWKo7BBq62cqY15etqmLxg2DZ34AGGgQDeR+SCta2+zICb1NX83af0GJmbQ1++g==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@formatjs/ecma402-abstract": "2.3.6",
+        "@formatjs/fast-memoize": "2.2.7",
+        "@formatjs/icu-messageformat-parser": "2.11.4",
+        "tslib": "^2.8.0"
+      }
+    },
     "node_modules/invariant": {
       "version": "2.2.4",
       "resolved": "https://mirrors.cloud.tencent.com/npm/invariant/-/invariant-2.2.4.tgz",
@@ -11483,12 +11572,10 @@
       "license": "MIT"
     },
     "node_modules/negotiator": {
-      "version": "0.6.3",
+      "version": "1.0.0",
-      "resolved": "https://mirrors.cloud.tencent.com/npm/negotiator/-/negotiator-0.6.3.tgz",
+      "resolved": "https://mirrors.cloud.tencent.com/npm/negotiator/-/negotiator-1.0.0.tgz",
-      "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==",
+      "integrity": "sha512-8Ofs/AUQh8MaEcrlq5xOX0CQ9ypTF5dl78mjlMNfOK08fzpgTHQRQPBxcPlEtIw0yRpws+Zo/3r+5WRby7u3Gg==",
       "license": "MIT",
-      "optional": true,
-      "peer": true,
       "engines": {
         "node": ">= 0.6"
       }
@@ -11553,6 +11640,42 @@
         }
       }
     },
+    "node_modules/next-intl": {
+      "version": "4.4.0",
+      "resolved": "https://mirrors.cloud.tencent.com/npm/next-intl/-/next-intl-4.4.0.tgz",
+      "integrity": "sha512-QHqnP9V9Pe7Tn0PdVQ7u1Z8k9yCkW5SJKeRy2g5gxzhSt/C01y3B9qNxuj3Fsmup/yreIHe6osxU6sFa+9WIkQ==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/amannn"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "@formatjs/intl-localematcher": "^0.5.4",
+        "negotiator": "^1.0.0",
+        "use-intl": "^4.4.0"
+      },
+      "peerDependencies": {
+        "next": "^12.0.0 || ^13.0.0 || ^14.0.0 || ^15.0.0 || ^16.0.0",
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || >=19.0.0-rc <19.0.0 || ^19.0.0",
+        "typescript": "^5.0.0"
+      },
+      "peerDependenciesMeta": {
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/next-intl/node_modules/@formatjs/intl-localematcher": {
+      "version": "0.5.10",
+      "resolved": "https://mirrors.cloud.tencent.com/npm/@formatjs/intl-localematcher/-/intl-localematcher-0.5.10.tgz",
+      "integrity": "sha512-af3qATX+m4Rnd9+wHcjJ4w2ijq+rAVP3CCinJQvFv1kgSu1W6jypUmvleJxcewdxmutM8dmIRZFxO/IQBZmP2Q==",
+      "license": "MIT",
+      "dependencies": {
+        "tslib": "2"
+      }
+    },
     "node_modules/next/node_modules/postcss": {
       "version": "8.4.31",
       "resolved": "https://mirrors.cloud.tencent.com/npm/postcss/-/postcss-8.4.31.tgz",
@@ -14028,10 +14151,10 @@
       }
     },
     "node_modules/tar": {
-      "version": "7.5.1",
+      "version": "7.5.2",
-      "resolved": "https://mirrors.cloud.tencent.com/npm/tar/-/tar-7.5.1.tgz",
+      "resolved": "https://mirrors.cloud.tencent.com/npm/tar/-/tar-7.5.2.tgz",
-      "integrity": "sha512-nlGpxf+hv0v7GkWBK2V9spgactGOp0qvfWRxUMjqHyzrt3SgwE48DIv/FhqPHJYLHpgW1opq3nERbz5Anq7n1g==",
+      "integrity": "sha512-7NyxrTE4Anh8km8iEy7o0QYPs+0JKBTj5ZaqHg6B39erLg0qYXN3BijtShwbsNSvQ+LN75+KV+C4QR/f6Gwnpg==",
-      "license": "ISC",
+      "license": "BlueOak-1.0.0",
       "optional": true,
       "peer": true,
       "dependencies": {
@@ -14427,7 +14550,7 @@
       "version": "5.9.3",
       "resolved": "https://mirrors.cloud.tencent.com/npm/typescript/-/typescript-5.9.3.tgz",
       "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
@@ -14634,6 +14757,20 @@
         "punycode": "^2.1.0"
       }
     },
+    "node_modules/use-intl": {
+      "version": "4.4.0",
+      "resolved": "https://mirrors.cloud.tencent.com/npm/use-intl/-/use-intl-4.4.0.tgz",
+      "integrity": "sha512-smFekJWtokDRBLC5/ZumlBREzdXOkw06+56Ifj2uRe9266Mk+yWQm2PcJO+EwlOE5sHIXHixOTzN6V8E0RGUbw==",
+      "license": "MIT",
+      "dependencies": {
+        "@formatjs/fast-memoize": "^2.2.0",
+        "@schummar/icu-type-parser": "1.21.5",
+        "intl-messageformat": "^10.5.14"
+      },
+      "peerDependencies": {
+        "react": "^17.0.0 || ^18.0.0 || >=19.0.0-rc <19.0.0 || ^19.0.0"
+      }
+    },
     "node_modules/utils-merge": {
       "version": "1.0.1",
       "resolved": "https://mirrors.cloud.tencent.com/npm/utils-merge/-/utils-merge-1.0.1.tgz",

package.json

@@ -10,9 +10,12 @@
     "lint": "eslint"
   },
   "dependencies": {
+    "@formatjs/intl-localematcher": "^0.6.2",
     "edge-tts-universal": "^1.3.2",
     "motion": "^12.23.24",
+    "negotiator": "^1.0.0",
     "next": "15.5.3",
+    "next-intl": "^4.4.0",
     "react": "19.1.0",
     "react-dom": "19.1.0",
     "zod": "^3.25.76"

public/changelog.txt

@@ -1,3 +1,4 @@
+2025.10.31 添加国际化支持
 2025.10.30 添加背单词功能
 2025.10.12 添加朗读器本地保存功能
 2025.10.09 新增记忆字母表功能

public/images/language_24dp_1F1F1F_FILL0_wght400_GRAD0_opsz24.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 -960 960 960" width="24px" fill="#1f1f1f"><path d="M480-80q-82 0-155-31.5t-127.5-86Q143-252 111.5-325T80-480q0-83 31.5-155.5t86-127Q252-817 325-848.5T480-880q83 0 155.5 31.5t127 86q54.5 54.5 86 127T880-480q0 82-31.5 155t-86 127.5q-54.5 54.5-127 86T480-80Zm0-82q26-36 45-75t31-83H404q12 44 31 83t45 75Zm-104-16q-18-33-31.5-68.5T322-320H204q29 50 72.5 87t99.5 55Zm208 0q56-18 99.5-55t72.5-87H638q-9 38-22.5 73.5T584-178ZM170-400h136q-3-20-4.5-39.5T300-480q0-21 1.5-40.5T306-560H170q-5 20-7.5 39.5T160-480q0 21 2.5 40.5T170-400Zm216 0h188q3-20 4.5-39.5T580-480q0-21-1.5-40.5T574-560H386q-3 20-4.5 39.5T380-480q0 21 1.5 40.5T386-400Zm268 0h136q5-20 7.5-39.5T800-480q0-21-2.5-40.5T790-560H654q3 20 4.5 39.5T660-480q0 21-1.5 40.5T654-400Zm-16-240h118q-29-50-72.5-87T584-782q18 33 31.5 68.5T638-640Zm-234 0h152q-12-44-31-83t-45-75q-26 36-45 75t-31 83Zm-200 0h118q9-38 22.5-73.5T376-782q-56 18-99.5 55T204-640Z"/></svg>

public/images/language_24dp_FFFFFF_FILL0_wght400_GRAD0_opsz24.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 -960 960 960" width="24px" fill="#FFFFFF"><path d="M480-80q-82 0-155-31.5t-127.5-86Q143-252 111.5-325T80-480q0-83 31.5-155.5t86-127Q252-817 325-848.5T480-880q83 0 155.5 31.5t127 86q54.5 54.5 86 127T880-480q0 82-31.5 155t-86 127.5q-54.5 54.5-127 86T480-80Zm0-82q26-36 45-75t31-83H404q12 44 31 83t45 75Zm-104-16q-18-33-31.5-68.5T322-320H204q29 50 72.5 87t99.5 55Zm208 0q56-18 99.5-55t72.5-87H638q-9 38-22.5 73.5T584-178ZM170-400h136q-3-20-4.5-39.5T300-480q0-21 1.5-40.5T306-560H170q-5 20-7.5 39.5T160-480q0 21 2.5 40.5T170-400Zm216 0h188q3-20 4.5-39.5T580-480q0-21-1.5-40.5T574-560H386q-3 20-4.5 39.5T380-480q0 21 1.5 40.5T386-400Zm268 0h136q5-20 7.5-39.5T800-480q0-21-2.5-40.5T790-560H654q3 20 4.5 39.5T660-480q0 21-1.5 40.5T654-400Zm-16-240h118q-29-50-72.5-87T584-782q18 33 31.5 68.5T638-640Zm-234 0h152q-12-44-31-83t-45-75q-26 36-45 75t-31 83Zm-200 0h118q9-38 22.5-73.5T376-782q-56 18-99.5 55T204-640Z"/></svg>

src/app/alphabet/MemoryCard.tsx

@@ -9,6 +9,7 @@ import {
   useEffect,
   useState,
 } from "react";
+import { useTranslations } from "next-intl";
 
 export default function MemoryCard({
   alphabet,
@@ -17,6 +18,7 @@ export default function MemoryCard({
   alphabet: Letter[];
   setChosenAlphabet: Dispatch<SetStateAction<SupportedAlphabets | null>>;
 }) {
+  const t = useTranslations("alphabet");
   const [index, setIndex] = useState(
     Math.floor(Math.random() * alphabet.length),
   );
@@ -79,7 +81,7 @@ export default function MemoryCard({
                   setLetterDisplay(!letterDisplay);
                 }}
               >
-                {letterDisplay ? "隐藏字母" : "显示字母"}
+                {letterDisplay ? t("hideLetter") : t("showLetter")}
               </LightButton>
               <LightButton
                 className="w-20"
@@ -87,7 +89,7 @@ export default function MemoryCard({
                   setIPADisplay(!ipaDisplay);
                 }}
               >
-                {ipaDisplay ? "隐藏IPA" : "显示IPA"}
+                {ipaDisplay ? t("hideIPA") : t("showIPA")}
               </LightButton>
             </>
           ) : (

src/app/alphabet/page.tsx

@@ -5,8 +5,10 @@ import { Letter, SupportedAlphabets } from "@/interfaces";
 import { useEffect, useState } from "react";
 import MemoryCard from "./MemoryCard";
 import { Navbar } from "@/components/Navbar";
+import { useTranslations } from "next-intl";
 
 export default function Alphabet() {
+  const t = useTranslations("alphabet");
   const [chosenAlphabet, setChosenAlphabet] =
     useState<SupportedAlphabets | null>(null);
   const [alphabetData, setAlphabetData] = useState<
@@ -58,29 +60,29 @@ export default function Alphabet() {
       <>
         <Navbar></Navbar>
         <div className="border border-gray-200 m-4 mt-4 flex flex-col justify-center items-center p-4 rounded-2xl gap-2">
-          <span className="text-2xl md:text-3xl">请选择您想学习的字符</span>
+          <span className="text-2xl md:text-3xl">{t("chooseCharacters")}</span>
           <div className="flex gap-1 flex-wrap">
             <LightButton onClick={() => setChosenAlphabet("japanese")}>
-              日语假名
+              {t("japanese")}
             </LightButton>
             <LightButton onClick={() => setChosenAlphabet("english")}>
-              英文字母
+              {t("english")}
             </LightButton>
             <LightButton onClick={() => setChosenAlphabet("uyghur")}>
-              维吾尔字母
+              {t("uyghur")}
             </LightButton>
             <LightButton onClick={() => setChosenAlphabet("esperanto")}>
-              世界语字母
+              {t("esperanto")}
             </LightButton>
           </div>
         </div>
       </>
     );
   if (loadingState === "loading") {
-    return "加载中...";
+    return t("loading");
   }
   if (loadingState === "error") {
-    return "加载失败，请重试";
+    return t("loadFailed");
   }
   if (loadingState === "success" && alphabetData[chosenAlphabet]) {
     return (

src/app/layout.tsx

@@ -2,6 +2,7 @@ import type { Metadata } from "next";
 import { Geist, Geist_Mono } from "next/font/google";
 import "./globals.css";
 import type { Viewport } from "next";
+import { NextIntlClientProvider } from "next-intl";
 
 export const viewport: Viewport = {
   width: "device-width",
@@ -23,7 +24,7 @@ export const metadata: Metadata = {
   description: "A Website to Learn Languages",
 };
 
-export default function RootLayout({
+export default async function RootLayout({
   children,
 }: Readonly<{
   children: React.ReactNode;
@@ -33,7 +34,7 @@ export default function RootLayout({
       <body
         className={`${geistSans.variable} ${geistMono.variable} antialiased`}
       >
-        {children}
+        <NextIntlClientProvider>{children}</NextIntlClientProvider>
       </body>
     </html>
   );

src/app/memorize/Choose.tsx

@@ -5,6 +5,7 @@ import { LOCALES } from "@/config/locales";
 import { Dispatch, SetStateAction, useState } from "react";
 import { WordData } from "@/interfaces";
 import NavbarCenterWrapper from "@/components/NavbarCenterWrapper";
+import { useTranslations } from "next-intl";
 
 interface Props {
   setEditPage: Dispatch<SetStateAction<"choose" | "edit">>;
@@ -19,6 +20,7 @@ export default function Choose({
   setWordData,
   localeKey,
 }: Props) {
+  const t = useTranslations("memorize.choose");
   const [chosenLocale, setChosenLocale] = useState<
     (typeof LOCALES)[number] | null
   >(null);
@@ -53,8 +55,10 @@ export default function Choose({
         </div>
         <div className="w-full flex items-center justify-center">
           <BCard className="flex gap-2 justify-center items-center w-fit">
-            <LightButton onClick={handleChooseClick}>Choose</LightButton>
+            <LightButton onClick={handleChooseClick}>{t("choose")}</LightButton>
-            <LightButton onClick={() => setEditPage("edit")}>Back</LightButton>
+            <LightButton onClick={() => setEditPage("edit")}>
+              {t("back")}
+            </LightButton>
           </BCard>
         </div>
       </ACard>

src/app/memorize/Edit.tsx

@@ -6,6 +6,7 @@ import DarkButton from "@/components/buttons/DarkButton";
 import { WordData } from "@/interfaces";
 import Choose from "./Choose";
 import NavbarCenterWrapper from "@/components/NavbarCenterWrapper";
+import { useTranslations } from "next-intl";
 
 interface Props {
   setPage: Dispatch<SetStateAction<"start" | "main" | "edit">>;
@@ -14,6 +15,7 @@ interface Props {
 }
 
 export default function Edit({ setPage, wordData, setWordData }: Props) {
+  const t = useTranslations("memorize.edit");
   const textareaRef = useRef<HTMLTextAreaElement>(null);
   const [localeKey, setLocaleKey] = useState<0 | 1>(0);
   const [editPage, setEditPage] = useState<"choose" | "edit">("edit");
@@ -65,15 +67,17 @@ export default function Edit({ setPage, wordData, setWordData }: Props) {
           ></textarea>
           <div className="w-full flex items-center justify-center">
             <BCard className="flex gap-2 justify-center items-center w-fit">
-              <LightButton onClick={() => setPage("main")}>Back</LightButton>
+              <LightButton onClick={() => setPage("main")}>
-              <LightButton onClick={handleSave}>Save Pairs</LightButton>
+                {t("back")}
+              </LightButton>
+              <LightButton onClick={handleSave}>{t("save")}</LightButton>
               <DarkButton
                 onClick={() => {
                   setLocaleKey(0);
                   setEditPage("choose");
                 }}
               >
-                Locale 1
+                {t("locale1")}
               </DarkButton>
               <DarkButton
                 onClick={() => {
@@ -81,7 +85,7 @@ export default function Edit({ setPage, wordData, setWordData }: Props) {
                   setEditPage("choose");
                 }}
               >
-                Locale 2
+                {t("locale2")}
               </DarkButton>
             </BCard>
           </div>

src/app/memorize/Main.tsx

@@ -5,6 +5,7 @@ import { WordData, WordDataSchema } from "@/interfaces";
 import { Dispatch, SetStateAction } from "react";
 import useFileUpload from "@/hooks/useFileUpload";
 import NavbarCenterWrapper from "@/components/NavbarCenterWrapper";
+import { useTranslations } from "next-intl";
 
 interface Props {
   wordData: WordData;
@@ -17,6 +18,7 @@ export default function Main({
   setWordData,
   setPage: setPage,
 }: Props) {
+  const t = useTranslations("memorize.main");
   const { upload, inputRef } = useFileUpload(async (file) => {
     try {
       const obj = JSON.parse(await file.text());
@@ -44,21 +46,25 @@ export default function Main({
     <NavbarCenterWrapper className="bg-gray-100">
       <ACard className="flex-col flex">
         <h1 className="text-center font-extrabold text-4xl text-gray-800 m-2 mb-4">
-          Memorize
+          {t("title")}
         </h1>
         <div className="flex-1 font-serif text-2xl w-full h-full text-gray-800">
           <BCard>
-            <p>locale 1 {wordData.locales[0]}</p>
+            <p>{t("locale1", { locale: wordData.locales[0] })}</p>
-            <p>locale 2 {wordData.locales[1]}</p>
+            <p>{t("locale2", { locale: wordData.locales[1] })}</p>
-            <p>total {wordData.wordPairs.length} word pairs</p>
+            <p>{t("total", { total: wordData.wordPairs.length })}</p>
           </BCard>
         </div>
         <div className="w-full flex items-center justify-center">
           <BCard className="flex gap-2 justify-center items-center w-fit">
-            <LightButton onClick={() => setPage("start")}>开始</LightButton>
+            <LightButton onClick={() => setPage("start")}>
-            <LightButton onClick={handleLoad}>导入</LightButton>
+              {t("start")}
-            <LightButton onClick={handleSave}>保存</LightButton>
+            </LightButton>
-            <LightButton onClick={() => setPage("edit")}>编辑</LightButton>
+            <LightButton onClick={handleLoad}>{t("import")}</LightButton>
+            <LightButton onClick={handleSave}>{t("save")}</LightButton>
+            <LightButton onClick={() => setPage("edit")}>
+              {t("edit")}
+            </LightButton>
           </BCard>
         </div>
       </ACard>

src/app/memorize/Start.tsx

@@ -5,6 +5,7 @@ import { useAudioPlayer } from "@/hooks/useAudioPlayer";
 import { getTTSAudioUrl } from "@/utils";
 import { VOICES } from "@/config/locales";
 import NavbarCenterWrapper from "@/components/NavbarCenterWrapper";
+import { useTranslations } from "next-intl";
 
 interface WordBoardProps {
   children: React.ReactNode;
@@ -22,6 +23,7 @@ interface Props {
   setPage: Dispatch<SetStateAction<"start" | "main" | "edit">>;
 }
 export default function Start({ wordData, setPage }: Props) {
+  const t = useTranslations("memorize.start");
   const [display, setDisplay] = useState<"ask" | "show">("ask");
   const [wordPair, setWordPair] = useState(
     wordData.wordPairs[Math.floor(Math.random() * wordData.wordPairs.length)],
@@ -71,23 +73,25 @@ export default function Start({ wordData, setPage }: Props) {
         <div className="w-full flex items-center justify-center">
           <div className="flex gap-2 justify-center items-center w-fit font-mono flex-wrap">
             {display === "ask" ? (
-              <LightButton onClick={show}>Show</LightButton>
+              <LightButton onClick={show}>{t("show")}</LightButton>
             ) : (
-              <LightButton onClick={next}>Next</LightButton>
+              <LightButton onClick={next}>{t("next")}</LightButton>
             )}
             <LightButton
               onClick={() => setReverse(!reverse)}
               selected={reverse}
             >
-              Reverse
+              {t("reverse")}
             </LightButton>
             <LightButton
               onClick={() => setDictation(!dictation)}
               selected={dictation}
             >
-              Dictation
+              {t("dictation")}
+            </LightButton>
+            <LightButton onClick={() => setPage("main")}>
+              {t("back")}
             </LightButton>
-            <LightButton onClick={() => setPage("main")}>Exit</LightButton>
           </div>
         </div>
       </div>

src/app/page.tsx

@@ -1,108 +1,104 @@
 import { Navbar } from "@/components/Navbar";
+import { useTranslations } from "next-intl";
 import Link from "next/link";
 
-function TopArea() {
-  return (
-    <div className="bg-[#35786f] text-white w-full min-h-[75dvh] flex justify-center items-center">
-      <div className="mb-16 mx-16 md:mx-0 md:max-w-[60dvw]">
-        <h1 className="text-6xl md:text-9xl mb-8">Learn Languages</h1>
-        <p className="text-2xl md:text-5xl">
-          Here is a very useful website to help you learn almost every language
-          in the world, including constructed ones.
-        </p>
-      </div>
-    </div>
-  );
-}
-
-interface LinkAreaProps {
-  href: string;
-  name: string;
-  description: string;
-  color: string;
-}
-function LinkArea({ href, name, description, color }: LinkAreaProps) {
-  return (
-    <Link
-      href={href}
-      style={{ backgroundColor: color }}
-      className={`h-32 md:h-64 flex justify-center items-center`}
-    >
-      <div className="text-white m-8">
-        <h1 className="text-4xl">{name}</h1>
-        <p className="text-xl">{description}</p>
-      </div>
-    </Link>
-  );
-}
-
-function LinkGrid() {
-  return (
-    <div className="w-full grid grid-cols-1 grid-rows-6 md:grid-cols-3">
-      <LinkArea
-        href="/translator"
-        name="翻译器"
-        description="翻译到任何语言，并标注国际音标（IPA）"
-        color="#a56068"
-      ></LinkArea>
-      <LinkArea
-        href="/text-speaker"
-        name="朗读器"
-        description="识别并朗读文本，支持循环朗读、朗读速度调节"
-        color="#578aad"
-      ></LinkArea>
-      {/* <LinkArea
-        href="/word-board"
-        name="词墙"
-        description="将单词固定到一片区域，高效便捷地记忆单词"
-        color="#e9b353"></LinkArea> */}
-      <LinkArea
-        href="/srt-player"
-        name="逐句视频播放器"
-        description="基于SRT字幕文件，逐句播放视频以模仿母语者的发音"
-        color="#3c988d"
-      ></LinkArea>
-      <LinkArea
-        href="/alphabet"
-        name="背字母"
-        description="从字母表开始新语言的学习"
-        color="#dd7486"
-      ></LinkArea>
-      <LinkArea
-        href="/memorize"
-        name="背单词"
-        description="语言A到语言B，语言B到语言A，支持听写"
-        color="#cc9988"
-      ></LinkArea>
-      <LinkArea
-        href="#"
-        name="更多功能"
-        description="开发中，敬请期待"
-        color="#cab48a"
-      ></LinkArea>
-    </div>
-  );
-}
-
-function Fortune() {
-  return (
-    <div className="w-full flex justify-center font-serif items-center flex-col min-h-64 h-[25vdh]">
-      <p className="text-3xl">Stay hungry, stay foolish.</p>
-      <cite className="text-[#e9b353] text-xl">—— Steve Jobs</cite>
-    </div>
-  );
-}
-
-function Explore() {
-  return (
-    <div className="bg-[#bbbbbb] w-full flex justify-center items-center flex-col h-52">
-      <span className="text-[100px] text-white">探索网站</span>
-      <div className="w-0 h-0 border-l-[40px] border-r-[40px] border-t-[30px] border-l-transparent border-r-transparent border-t-white"></div>
-    </div>
-  );
-}
-
 export default function Home() {
+  const t = useTranslations("home");
+  function TopArea() {
+    return (
+      <div className="bg-[#35786f] text-white w-full min-h-[75dvh] flex justify-center items-center">
+        <div className="mb-16 mx-16 md:mx-0 md:max-w-[60dvw]">
+          <h1 className="text-6xl md:text-9xl mb-8 font-extrabold">
+            {t("title")}
+          </h1>
+          <p className="text-2xl md:text-5xl font-medium">{t("description")}</p>
+        </div>
+      </div>
+    );
+  }
+  interface LinkAreaProps {
+    href: string;
+    name: string;
+    description: string;
+    color: string;
+  }
+  function LinkArea({ href, name, description, color }: LinkAreaProps) {
+    return (
+      <Link
+        href={href}
+        style={{ backgroundColor: color }}
+        className={`h-32 md:h-64 flex justify-center items-center`}
+      >
+        <div className="text-white m-8">
+          <h1 className="text-4xl">{name}</h1>
+          <p className="text-xl">{description}</p>
+        </div>
+      </Link>
+    );
+  }
+  function LinkGrid() {
+    return (
+      <div className="w-full grid grid-cols-1 grid-rows-6 md:grid-cols-3">
+        <LinkArea
+          href="/translator"
+          name={t("translator.name")}
+          description={t("translator.description")}
+          color="#a56068"
+        ></LinkArea>
+        <LinkArea
+          href="/text-speaker"
+          name={t("textSpeaker.name")}
+          description={t("textSpeaker.description")}
+          color="#578aad"
+        ></LinkArea>
+        {/* <LinkArea
+          href="/word-board"
+          name="词墙"
+          description="将单词固定到一片区域，高效便捷地记忆单词"
+          color="#e9b353"></LinkArea> */}
+        <LinkArea
+          href="/srt-player"
+          name={t("srtPlayer.name")}
+          description={t("srtPlayer.description")}
+          color="#3c988d"
+        ></LinkArea>
+        <LinkArea
+          href="/alphabet"
+          name={t("alphabet.name")}
+          description={t("alphabet.description")}
+          color="#dd7486"
+        ></LinkArea>
+        <LinkArea
+          href="/memorize"
+          name={t("memorize.name")}
+          description={t("memorize.description")}
+          color="#cc9988"
+        ></LinkArea>
+        <LinkArea
+          href="#"
+          name={t("moreFeatures.name")}
+          description={t("moreFeatures.description")}
+          color="#cab48a"
+        ></LinkArea>
+      </div>
+    );
+  }
+  function Fortune() {
+    return (
+      <div className="w-full flex justify-center font-serif items-center flex-col min-h-64 h-[25vdh]">
+        <p className="text-3xl">{t("fortune.quote")}</p>
+        <cite className="text-[#e9b353] text-xl">{t("fortune.author")}</cite>
+      </div>
+    );
+  }
+  function Explore() {
+    return (
+      <div className="bg-[#bbbbbb] w-full flex justify-center items-center flex-col h-52">
+        <span className="text-[100px] text-white">{t("explore")}</span>
+        <div className="w-0 h-0 border-l-40 border-r-40 border-t-30 border-l-transparent border-r-transparent border-t-white"></div>
+      </div>
+    );
+  }
   return (
     <>
       <Navbar></Navbar>

src/app/srt-player/UploadArea.tsx

@@ -1,5 +1,6 @@
 import LightButton from "@/components/buttons/LightButton";
 import { useRef } from "react";
+import { useTranslations } from "next-intl";
 
 export default function UploadArea({
   setVideoUrl,
@@ -8,6 +9,7 @@ export default function UploadArea({
   setVideoUrl: (url: string | null) => void;
   setSrtUrl: (url: string | null) => void;
 }) {
+  const t = useTranslations("srt-player");
   const inputRef = useRef<HTMLInputElement>(null);
 
   const uploadVideo = () => {
@@ -38,8 +40,8 @@ export default function UploadArea({
   };
   return (
     <div className="w-full flex flex-col gap-2 m-2">
-      <LightButton onClick={uploadVideo}>上传视频</LightButton>
+      <LightButton onClick={uploadVideo}>{t("uploadVideo")}</LightButton>
-      <LightButton onClick={uploadSRT}>上传字幕</LightButton>
+      <LightButton onClick={uploadSRT}>{t("uploadSubtitle")}</LightButton>
       <input type="file" className="hidden" ref={inputRef} />
     </div>
   );

src/app/srt-player/VideoPlayer/VideoPanel.tsx

@@ -2,6 +2,7 @@ import { useState, useRef, forwardRef, useEffect, useCallback } from "react";
 import SubtitleDisplay from "./SubtitleDisplay";
 import LightButton from "@/components/buttons/LightButton";
 import { getIndex, parseSrt, getNearistIndex } from "../subtitle";
+import { useTranslations } from "next-intl";
 
 type VideoPanelProps = {
   videoUrl: string | null;
@@ -10,6 +11,7 @@ type VideoPanelProps = {
 
 const VideoPanel = forwardRef<HTMLVideoElement, VideoPanelProps>(
   ({ videoUrl, srtUrl }, videoRef) => {
+    const t = useTranslations("srt-player");
     videoRef = videoRef as React.RefObject<HTMLVideoElement>;
     const [isPlaying, setIsPlaying] = useState<boolean>(false);
     const [srtLength, setSrtLength] = useState<number>(0);
@@ -185,14 +187,14 @@ const VideoPanel = forwardRef<HTMLVideoElement, VideoPanelProps>(
         <SubtitleDisplay subtitle={subtitle}></SubtitleDisplay>
         <div className="buttons flex mt-2 gap-2 flex-wrap">
           <LightButton onClick={togglePlayPause}>
-            {isPlaying ? "暂停" : "播放"}
+            {isPlaying ? t("pause") : t("play")}
+          </LightButton>
+          <LightButton onClick={previous}>{t("previous")}</LightButton>
+          <LightButton onClick={next}>{t("next")}</LightButton>
+          <LightButton onClick={restart}>{t("restart")}</LightButton>
+          <LightButton onClick={handleAutoPauseToggle}>
+            {t("autoPause", { enabled: autoPause ? "Yes" : "No" })}
           </LightButton>
-          <LightButton onClick={previous}>上句</LightButton>
-          <LightButton onClick={next}>下句</LightButton>
-          <LightButton onClick={restart}>句首</LightButton>
-          <LightButton
-            onClick={handleAutoPauseToggle}
-          >{`自动暂停(${autoPause ? "是" : "否"})`}</LightButton>
         </div>
         <input
           className="seekbar"

src/app/text-speaker/SaveList.tsx

@@ -6,6 +6,7 @@ import z from "zod";
 import { TextSpeakerItemSchema } from "@/interfaces";
 import IconClick from "@/components/IconClick";
 import IMAGES from "@/config/images";
+import { useTranslations } from "next-intl";
 
 interface TextCardProps {
   item: z.infer<typeof TextSpeakerItemSchema>;
@@ -47,6 +48,7 @@ interface SaveListProps {
   handleUse: (item: z.infer<typeof TextSpeakerItemSchema>) => void;
 }
 export default function SaveList({ show = false, handleUse }: SaveListProps) {
+  const t = useTranslations("text-speaker");
   const [data, setData] = useState(getTextSpeakerData());
   const handleDel = (item: z.infer<typeof TextSpeakerItemSchema>) => {
     const current_data = getTextSpeakerData();
@@ -61,7 +63,7 @@ export default function SaveList({ show = false, handleUse }: SaveListProps) {
     setData(getTextSpeakerData());
   };
   const handleDeleteAll = () => {
-    const yesorno = prompt("确定删光吗？(Y/N)")?.trim();
+    const yesorno = prompt(t("confirmDeleteAll"))?.trim();
     if (yesorno && (yesorno === "Y" || yesorno === "y")) {
       setTextSpeakerData([]);
       refresh();

src/app/text-speaker/page.tsx

@@ -15,8 +15,10 @@ import { TextSpeakerItemSchema } from "@/interfaces";
 import z from "zod";
 import { Navbar } from "@/components/Navbar";
 import { VOICES } from "@/config/locales";
+import { useTranslations } from "next-intl";
 
 export default function TextSpeaker() {
+  const t = useTranslations("text-speaker");
   const textareaRef = useRef<HTMLTextAreaElement>(null);
   const [showSpeedAdjust, setShowSpeedAdjust] = useState(false);
   const [showSaveList, setShowSaveList] = useState(false);
@@ -320,7 +322,7 @@ export default function TextSpeaker() {
               selected={ipaEnabled}
               onClick={() => setIPAEnabled(!ipaEnabled)}
             >
-              生成IPA
+              {t("generateIPA")}
             </LightButton>
             <LightButton
               onClick={() => {
@@ -328,7 +330,7 @@ export default function TextSpeaker() {
               }}
               selected={showSaveList}
             >
-              查看保存项
+              {t("viewSavedItems")}
             </LightButton>
           </div>
         </div>

src/app/translator/page.tsx

@@ -8,8 +8,10 @@ import IMAGES from "@/config/images";
 import { getTTSAudioUrl } from "@/utils";
 import { Navbar } from "@/components/Navbar";
 import { VOICES } from "@/config/locales";
+import { useTranslations } from "next-intl";
 
 export default function Translator() {
+  const t = useTranslations("translator");
   const [ipaEnabled, setIPAEnabled] = useState(true);
   const [targetLang, setTargetLang] = useState("Chinese");
 
@@ -25,7 +27,7 @@ export default function Translator() {
   const tl = ["Chinese", "English", "Italian"];
 
   const inputLanguage = () => {
-    const lang = prompt("Input a language.")?.trim();
+    const lang = prompt(t("inputLanguage"))?.trim();
     if (lang) {
       setTargetLang(lang);
     }
@@ -210,12 +212,12 @@ export default function Translator() {
             </div>
           </div>
           <div className="option1 w-full flex flex-row justify-between items-center">
-            <span>detect language</span>
+            <span>{t("detectLanguage")}</span>
             <LightButton
               selected={ipaEnabled}
               onClick={() => setIPAEnabled(!ipaEnabled)}
             >
-              generate ipa
+              {t("generateIPA")}
             </LightButton>
           </div>
         </div>
@@ -242,14 +244,14 @@ export default function Translator() {
             </div>
           </div>
           <div className="option2 w-full flex gap-1 items-center flex-wrap">
-            <span>translate into</span>
+            <span>{t("translateInto")}</span>
             <LightButton
               onClick={() => {
                 setTargetLang("Chinese");
               }}
               selected={targetLang === "Chinese"}
             >
-              Chinese
+              {t("chinese")}
             </LightButton>
             <LightButton
               onClick={() => {
@@ -257,7 +259,7 @@ export default function Translator() {
               }}
               selected={targetLang === "English"}
             >
-              English
+              {t("english")}
             </LightButton>
             <LightButton
               onClick={() => {
@@ -265,13 +267,13 @@ export default function Translator() {
               }}
               selected={targetLang === "Italian"}
             >
-              Italian
+              {t("italian")}
             </LightButton>
             <LightButton
               onClick={inputLanguage}
               selected={!tl.includes(targetLang)}
             >
-              {"Other" + (tl.includes(targetLang) ? "" : ": " + targetLang)}
+              {t("other") + (tl.includes(targetLang) ? "" : ": " + targetLang)}
             </LightButton>
           </div>
         </div>
@@ -282,7 +284,7 @@ export default function Translator() {
           onClick={translate}
           className={`duration-150 ease-in text-xl font-extrabold border rounded-4xl p-3 border-gray-200 h-16 ${translating ? "bg-gray-200" : "bg-white hover:bg-gray-200 hover:cursor-pointer"}`}
         >
-          {translating ? "translating..." : "translate"}
+          {translating ? t("translating") : t("translate")}
         </button>
       </div>
     </>

src/components/IconClick.tsx

@@ -6,6 +6,7 @@ interface IconClickProps {
   onClick?: () => void;
   className?: string;
   size?: number;
+  disableOnHoverBgChange?: boolean;
 }
 export default function IconClick({
   src,
@@ -13,12 +14,13 @@ export default function IconClick({
   onClick = () => {},
   className = "",
   size = 32,
+  disableOnHoverBgChange = false,
 }: IconClickProps) {
   return (
     <>
       <div
         onClick={onClick}
-        className={`hover:cursor-pointer hover:bg-gray-200 rounded-3xl w-[${size}px] h-[${size}px] flex justify-center items-center ${className}`}
+        className={`${disableOnHoverBgChange ? "" : "hover:bg-gray-200"}hover:cursor-pointer rounded-3xl w-[${size}px] h-[${size}px] flex justify-center items-center ${className}`}
       >
         <Image src={src} width={size - 5} height={size - 5} alt={alt}></Image>
       </div>

src/components/Navbar.tsx

@@ -1,5 +1,12 @@
+"use client";
+
 import Link from "next/link";
 import Image from "next/image";
+import { useTranslations } from "next-intl";
+import IconClick from "./IconClick";
+import IMAGES from "@/config/images";
+import { useState } from "react";
+import LightButton from "./buttons/LightButton";
 
 function MyLink({ href, label }: { href: string; label: string }) {
   return (
@@ -9,6 +16,15 @@ function MyLink({ href, label }: { href: string; label: string }) {
   );
 }
 export function Navbar() {
+  const t = useTranslations("navbar");
+  const [showLanguageMenu, setShowLanguageMenu] = useState(false);
+  const handleLanguageClick = () => {
+    setShowLanguageMenu((prev) => !prev);
+  };
+  const setLocale = async (locale: string) => {
+    document.cookie = `locale=${locale}`;
+    window.location.reload();
+  };
   return (
     <div className="flex justify-between items-center w-full h-16 px-8 bg-[#35786f] text-white">
       <Link href={"/"} className="text-xl flex">
@@ -19,13 +35,39 @@ export function Navbar() {
           height="32"
           className="rounded-4xl"
         ></Image>
-        <span className="font-bold">学语言</span>
+        <span className="font-bold">{t("title")}</span>
       </Link>
       <div className="flex gap-4 text-xl">
-        <MyLink href="/changelog.txt" label="关于"></MyLink>
+        <div className="relative">
+          {showLanguageMenu && (
+            <div>
+              <div className="absolute top-10 right-0 rounded-md shadow-md flex flex-col gap-2">
+                <LightButton
+                  className="w-full"
+                  onClick={() => setLocale("en-US")}
+                >
+                  English
+                </LightButton>
+                <LightButton
+                  className="w-full"
+                  onClick={() => setLocale("zh-CN")}
+                >
+                  中文
+                </LightButton>
+              </div>
+            </div>
+          )}
+          <IconClick
+            src={IMAGES.language_white}
+            alt="language"
+            disableOnHoverBgChange={true}
+            onClick={handleLanguageClick}
+          ></IconClick>
+        </div>
+        <MyLink href="/changelog.txt" label={t("about")}></MyLink>
         <MyLink
           href="https://github.com/GoddoNebianU/learn-languages"
-          label="源码"
+          label={t("sourceCode")}
         ></MyLink>
       </div>
     </div>

src/config/i18n.ts

@@ -0,0 +1,2 @@
+export const SUPPORTED_LOCALES = ["en-US", "zh-CN"];
+export const DEFAULT_LOCALE = "en-US";

src/config/images.ts

@@ -15,6 +15,8 @@ const IMAGES = {
   save: "/images/save_24dp_1F1F1F_FILL0_wght400_GRAD0_opsz24.svg",
   delete: "/images/delete_24dp_1F1F1F_FILL0_wght400_GRAD0_opsz24.svg",
   speed: "/images/speed_24dp_1F1F1F_FILL0_wght400_GRAD0_opsz24.svg",
+  language_black: "/images/language_24dp_1F1F1F_FILL0_wght400_GRAD0_opsz24.svg",
+  language_white: "/images/language_24dp_FFFFFF_FILL0_wght400_GRAD0_opsz24.svg",
 };
 
 export default IMAGES;

src/i18n/request.ts

@@ -0,0 +1,53 @@
+import { DEFAULT_LOCALE, SUPPORTED_LOCALES } from "@/config/i18n";
+import { getRequestConfig } from "next-intl/server";
+import { cookies } from "next/headers";
+import { readFileSync, readdirSync, statSync } from "fs";
+import { join } from "path";
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function loadMessagesFromDir(dirPath: string): Record<string, any> {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  const messages: Record<string, any> = {};
+  try {
+    const items = readdirSync(dirPath);
+
+    for (const item of items) {
+      const fullPath = join(dirPath, item);
+      const stat = statSync(fullPath);
+
+      if (stat.isDirectory()) {
+        const dirMessages = loadMessagesFromDir(fullPath);
+        Object.assign(messages, { [item]: dirMessages });
+      } else if (item.endsWith(".json")) {
+        try {
+          const content = readFileSync(fullPath, "utf-8");
+          const jsonContent = JSON.parse(content);
+          Object.assign(messages, { [item.replace(".json", "")]: jsonContent });
+        } catch (error) {
+          console.warn(`Failed to load JSON file ${fullPath}:`, error);
+        }
+      }
+    }
+  } catch (error) {
+    console.warn(`Failed to read directory ${dirPath}:`, error);
+  }
+
+  return messages;
+}
+
+export default getRequestConfig(async () => {
+  const store = await cookies();
+  const locale = (() => {
+    const locale = store.get("locale")?.value ?? DEFAULT_LOCALE;
+    if (!SUPPORTED_LOCALES.includes(locale)) return DEFAULT_LOCALE;
+    return locale;
+  })();
+
+  const messagesPath = join(process.cwd(), "messages", locale);
+  const messages = loadMessagesFromDir(messagesPath);
+
+  return {
+    locale,
+    messages,
+  };
+});