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English definition of “sb's mask slips”

sb's mask slips

If someone's mask slips, they do something that suddenly shows their real character, when they have been pretending to be a different, usually nicer, type of person.Faking and pretending
(Definition of sb's mask slips from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Translations of “sb's mask slips”

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