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English definition of “catch sb out”

catch sb out

informal
verb uk phrasal verb with catch   /kætʃ/ (caught, caught) us  

(SHOW WRONG)

to show that someone is doing wrong: I suspected he wasn't telling me the truth, and one day I caught him out when I found some letters he'd written.Proving and disproving

(TRICK)

to trick someone into making a mistake: The examiner will try to catch you out, so stay calm and think carefully before you speak.Plotting and trappingPlanning, expecting and arrangingCheating and tricking

(CAUSE DIFFICULTY)

to put someone in a difficult situation: A lot of people were caught out by the sudden change in the weather.Causing difficulties for oneself or others
(Definition of catch sb out from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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