know what's what Definition in the Cambridge English Dictionary

Definition of “know what's what” - English Dictionary

"know what's what" in British English

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know what's what

informal If you know what's what, you have a lot of ​experience and can ​judgepeople and ​situations well: Linda's been in the ​business for 30 ​years - she ​knows what's what.
(Definition of know what's what from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “know what's what”
in Chinese (Simplified) 懂行, 老练…
in Chinese (Traditional) 在行, 老練…
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“know what's what” in English

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