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Definition of “call sb's bluff” - English Dictionary

"call sb's bluff" in British English

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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 them
(Definition of call sb's bluff from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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Avoiding common errors with the word enough.
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by Liz Walter Enough is a very common word, but it is easy to make mistakes with it. You need to be careful about its position in a sentence, and the prepositions or verb patterns that come after it. I’ll start with the position of enough in the sentence. When we use it with a noun,

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