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English definition of “be banging your head against a brick wall”

be banging your head against a brick wall

to do, say, or ask for something repeatedly but to be unable to change a situation: I keep asking her not to park there, but it's like banging my head against a brick wall.Trying and making an effortEffort and expending energy
(Definition of be banging your head against a brick wall from the Cambridge Learners Dictionary © Cambridge University Press)
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Translations of “be banging your head against a brick wall”

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