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English definition of “be (like) water off a duck's back”

be (like) water off a duck's back

If criticisms, insults, etc are like water off a duck's back to you, they do not affect you at all: She calls him lazy and useless, but it's like water off a duck's back.Not showing or feeling emotionsControlling emotions
(Definition of be (like) water off a duck's back from the Cambridge Learners Dictionary © Cambridge University Press)
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Translations of “be (like) water off a duck's back”

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