Always be on the alert

 
  • 常備不懈

Always be on the alert的用法和樣例:

例句

  1. They were constantly on the alert not to be taken by surprise.
    他們一直處於常備不懈狀態以防突然襲擊。

Always be on the alert的相關資料:

臨近單詞

今日熱詞
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