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

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!Secrecy and privacy
(Definition of be none of sb's business from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Translations of “be none of sb's business”

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