"Under lock and key" nghĩa là gì?

Đề phòng rủi ro Photo on Pexels

'Under lock and key' -> nghĩa là cất kĩ, giấu kĩ, cất tủ khóa lại; giam giữ.

Ví dụ
Bruce Wayne's beginnings will drive this film so keeping everything under lock and key leaves us as curious (tò mò) as ever and opens the door for similar revelations (phát hiện, khám phá).

Many of the documents relating to the Crypto company spy scandal will remain under lock and key, says the deputy head of the Swiss Federal Intelligence (cơ quan tình báo) Service (FIS).

Of course, Emma also ensures your data is kept under lock and key using end-to-end 256-bit TLS bank-grade encryption (mã hóa, mật mã) and read-only access. Basically, it makes sure only YOU can touch your money.


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