diff --git a/i18n/zh-hant.json b/i18n/zh-hant.json
index 1ead0be27..b411e9dd4 100644
--- a/i18n/zh-hant.json
+++ b/i18n/zh-hant.json
@@ -18,8 +18,13 @@
 	"multimediaviewer-datetime-created": "建立於：$1",
 	"multimediaviewer-datetime-uploaded": "上傳於：$1",
 	"multimediaviewer-credit-fallback": "檢視作者資訊",
+	"multimediaviewer-multiple-authors": "{{PLURAL:$1|還有 1 位作者|還有 $1 位作者}}",
+	"multimediaviewer-multiple-authors-combine": "$1 及 $2",
 	"multimediaviewer-metadata-error": "無法讀取圖片資料 (錯誤：$1)",
 	"multimediaviewer-thumbnail-error": "抱歉，檔案無法正常顯示",
+	"multimediaviewer-thumbnail-error-description": "似乎發生技術性問題，您可以 $1，若問題仍然存在，可 $3。錯誤：$2",
+	"multimediaviewer-thumbnail-error-retry": "重試",
+	"multimediaviewer-thumbnail-error-report": "回報問題",
 	"multimediaviewer-license-cc-by-sa-1.0": "創用CC 姓名標示-相同方式分享 1.0",
 	"multimediaviewer-license-cc-by-sa-2.0": "創用CC 姓名標示-相同方式分享 2.0",
 	"multimediaviewer-license-cc-by-sa-2.1": "創用CC 姓名標示-相同方式分享 2.1",
@@ -31,6 +36,7 @@
 	"multimediaviewer-license-default": "檢視授權條款",
 	"multimediaviewer-permission-title": "權限詳細資料",
 	"multimediaviewer-permission-link": "檢視條款",
+	"multimediaviewer-permission-link-hide": "隱藏條款",
 	"multimediaviewer-permission-viewmore": "檢視更多",
 	"multimediaviewer-about-mmv": "關於",
 	"multimediaviewer-discuss-mmv": "討論",
@@ -58,6 +64,10 @@
 	"multimediaviewer-embed-wt": "Wikitext",
 	"multimediaviewer-embed-html": "HTML",
 	"multimediaviewer-embed-explanation": "使用此程式碼內嵌該檔案",
+	"multimediaviewer-text-embed-credit-text-bl": "由 $1, $2, $3",
+	"multimediaviewer-text-embed-credit-text-b": "由 $1, $2",
+	"multimediaviewer-html-embed-credit-text-bl": "由 $1, $2, $3",
+	"multimediaviewer-html-embed-credit-text-b": "由 $1, $2",
 	"multimediaviewer-html-embed-credit-link-text": "連結",
 	"multimediaviewer-embed-byline": "由 $1",
 	"multimediaviewer-embed-license": "使用 $1 條款授權。",
@@ -71,14 +81,36 @@
 	"multimediaviewer-description-page-popup-text": "更多 $1 上有關此檔案的詳細資料",
 	"multimediaviewer-commons-subtitle": "自由的媒體存儲庫",
 	"multimediaviewer-view-expanded": "使用媒體檢視器開啟",
+	"multimediaviewer-view-config": "設定",
 	"multimediaviewer-close-popup-text": "關閉此工具 (Esc)",
 	"multimediaviewer-fullscreen-popup-text": "全螢幕顯示",
 	"multimediaviewer-defullscreen-popup-text": "退出全螢幕",
+	"multimediaviewer-next-image-alt-text": "顯示下張圖片",
+	"multimediaviewer-prev-image-alt-text": "顯示上張圖片",
 	"multimediaviewer-title-popup-text": "描述說明",
 	"multimediaviewer-credit-popup-text": "作者與來源資訊",
 	"multimediaviewer-title-popup-text-more": "點選以顯示完整描述說明",
 	"multimediaviewer-credit-popup-text-more": "檢視完整作者與來源",
 	"multimediaviewer-download-attribution-cta-header": "您需要註明作者",
+	"multimediaviewer-download-optional-attribution-cta-header": "您可以註明作者",
 	"multimediaviewer-download-attribution-cta": "教我怎麼做",
-	"multimediaviewer-attr-plain": "純文字"
+	"multimediaviewer-download-attribution-copy": "選擇並複製 (若支援) 此檔案的署名文字",
+	"multimediaviewer-attr-plain": "純文字",
+	"multimediaviewer-options-tooltip": "開啟或關閉媒體檢視器",
+	"multimediaviewer-options-dialog-header": "關閉媒體檢視器?",
+	"multimediaviewer-options-text-header": "對所有檔案略過此檢視功能。",
+	"multimediaviewer-options-text-body": "您可稍後在檔案明細頁面開啟。",
+	"multimediaviewer-options-learn-more": "瞭解更多",
+	"multimediaviewer-option-submit-button": "關閉媒體檢視器",
+	"multimediaviewer-option-cancel-button": "取消",
+	"multimediaviewer-disable-confirmation-header": "您已關閉媒體檢視器",
+	"multimediaviewer-disable-confirmation-text": "下次您點選 $1 上的縮圖時，您會直接檢視所有檔案明細。",
+	"multimediaviewer-enable-dialog-header": "開啟媒體檢視器?",
+	"multimediaviewer-enable-text-header": "預設對所有檔案開啟此媒體檢視功能。",
+	"multimediaviewer-enable-submit-button": "開啟媒體檢視器",
+	"multimediaviewer-enable-confirmation-header": "您已對所有檔案開啟媒體檢視器",
+	"multimediaviewer-enable-confirmation-text": "下次您點選 $1 上的縮圖時，會使用媒體檢視器。",
+	"multimediaviewer-enable-alert": "媒體檢視器現在已關閉",
+	"multimediaviewer-disable-info-title": "您已關閉媒體檢視器",
+	"multimediaviewer-disable-info": "您仍可以使用媒體檢視器來檢視個別檔案。"
 }