| 词汇 | under lock and key |
| 释义 | under lock and keyunder lock and key1.■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。 |
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