know better (than to do sth) Meaning in Cambridge English Dictionary
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Meaning of "know better (than to do sth)" - English Dictionary

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know better (than to do sth)

C2 to be wise or moral enough not to do something: Sure, she's only six, but she's old enough to know better than to run off without us. I'm surprised at you behaving so badly - you ought to/should know better.
Translations of “know better (than to do sth)”
in Chinese (Traditional) 明事理(而不至於做某事)…
in Chinese (Simplified) 明事理(而不至于做某事)…
(Definition of know better (than to do sth) from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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