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English definition of “call sb's bluff”

call sb's bluff

to make someone prove that what they are saying is true, or to make someone prove that they will really do what they say, because you do not believe themProving and disproving
(Definition of call sb's bluff from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Definitions of “call sb's bluff” in other dictionaries

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