under lock and key

English

under lock and key

(US, Britain, idiomatic) imprisoned with little or no chance of escape; locked up.
If it was him we can have him under lock and key in 24 hours.
(US, Britain, idiomatic) safely guarded; locked away.
- 2008, Edward J. McMillan, Model Policies and Procedures for Not-for-Profit Organizations, page 239
  It is the policy of the organization to keep unused check supplies safeguarded under lock and key.

imprisoned — see behind bars

单词	under lock and key
释义	under lock and key English Prepositional phrase under lock and key (US, Britain, idiomatic) imprisoned with little or no chance of escape; locked up. If it was him we can have him under lock and key* in 24 hours.* (US, Britain, idiomatic) safely guarded; locked away. 2008, Edward J. McMillan, Model Policies and Procedures for Not-for-Profit Organizations, page 239 It is the policy of the organization to keep unused check supplies safeguarded under lock and key. Translations imprisoned — see behind bars
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