| 单词 | under lock and key |
| 释义 | under lock and keyphrase [PHRASE after verb] See full dictionary entry for lockIf something or someone is kept under lock and key, they are in a container or room which has been securely locked. The books were normally kept under lock and key in the library vault. He is currently under lock and key at Eastmoor secure unit in Leeds. under lock and key in American English locked up; safely put away Examples of 'under lock and key' in a sentence |
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