have sb's number Meaning in the Cambridge English Dictionary Cambridge dictionaries logo

Meaning of “have sb's number” in the English Dictionary

"have sb's number" in British English

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have sb's number

slang to ​know a lot about someone and so have an ​advantage over them: Don't ​worry, I've got his number, he doesn't ​fool me.
(Definition of have sb's number from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
Translations of “have sb's number”
in Chinese (Simplified) 对(某人)心中有数, 摸透(某人)的底…
in Chinese (Traditional) 對(某人)心中有數, 摸透(某人)的底…
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