英語翻譯：

take advantage of; while

例句：

1. 我們趁便參觀了皇宮。
   We took the opportunity of visiting the palace.
2. 請讓我趁此機會講幾句話。
   Let me take this opportunity to say a few words.
3. 犯人趁著天黑逃跑了。
   The criminal escaped under the cover of darkness.