释义 |
under lock and key under lock and key
1 F0 locked away safely: » Her jewellery is securely under lock and key at the bank.Thesaurus+: ↑Locking and bolting2 F0 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. Thesaurus+: ↑Putting people in prison |