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English definition of “second-guess”

second-guess

verb [T] (CRITICIZE)   /ˈsek·əndˈɡes/
to criticize someone's decision after it has been made, and say what you think is wrong with it: It doesn't help to second-guess their decision .
(Definition of second-guess verb (CRITICIZE) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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