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English definition of “be none of sb's business”

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be none of sb's business

B2 If something is none of someone's business, they do not need to know about it: Stop pestering me; it's none of your business!
Translations of “be none of sb's business”
in Chinese (Traditional) 與(某人)無關…
in Chinese (Simplified) 与(某人)无关…
(Definition of be none of sb's business from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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