词汇 | under lock and key |
释义 | under lock and key idiom 锁起来的,存放好的 locked away safely Her jewellery is securely under lock and key at the bank. 她的珠宝全都安全地存放在银行里了。 (尤指罪犯)在牢房里的,在押的 If a person, especially a criminal, is under lock and key, they are being kept in a place from which they cannot escape, usually a prison. |
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