Meaning of under lock and key | Babel Free
Definitions
Equivalents
Examples
“If it was him we can have⟳ him under lock⟳ and key in 24 hours.”
“It is the policy of the organization to keep⟳ unused check supplies safeguarded under lock⟳ and key.”
CEFR level
C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
This word is part of the CEFR C2 vocabulary — mastery level.
See also
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