under lock and key

  1. 将…加以严密保管, 把…锁住; 被囚禁
    • She would keep any sensitive documents under lock and key.
      她总是把任何机密文件都锁得好好的。
    • There's no safety for anyone until he is under lock and key.
      他不坐牢, 人无宁日。

网络词典

under lock and key

英 ʌndər lɒk ənd tʃaɪk 美 ʌndər lɑːk ənd tʃaɪk
短语 中文翻译:锁上
同义词: ['locked', 'locked in', 'securely fastened']

例句:

  1. 1.The safe was locked with a combination lock.
    保险箱用一个组合锁锁上了。
  2. 2.He locked the door and left under lock and key.
    他锁上门,然后锁上门走了。
  3. 3.She had to unlock the door under lock and key.
    她不得不用钥匙打开门。