not be born yesterday Meaning in the Cambridge English Dictionary
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Meaning of “not be born yesterday” in the English Dictionary

"not be born yesterday" in British English

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not be born yesterday

to not be ​stupid or ​easy to ​deceive: You don't ​fool me - I wasn't born ​yesterday.
(Definition of not be born yesterday from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
Translations of “not be born yesterday”
in Chinese (Simplified) 不傻, 不易上当…
in Chinese (Traditional) 不傻, 不易上當…
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