be (as) thick as thieves Meaning in the Cambridge English Dictionary Cambridge dictionaries logo

Meaning of “be (as) thick as thieves” in the English Dictionary

"be (as) thick as thieves" in British English

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be (as) thick as thieves

informal to be very ​closefriends and ​sharesecrets, etc.: I'm ​sure she ​tells Ruth everything we say - they're as thick as ​thieves, those two.
(Definition of be (as) thick as thieves from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
Translations of “be (as) thick as thieves”
in Chinese (Simplified) 亲密无间,非常友好…
in Chinese (Traditional) 親密無間,非常友好…
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