| 单词 | under lock and key |
| 释义 | under lock and key phrase [PHRASE after verb] See full dictionary entry for lock If 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. |
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英语词典包含147115条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。