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English definition of “knock sth on the head”

knock sth on the head

UK informal
to prevent something from happening, or to finally finish something: It's nearly done - another couple of hours should knock it on the head.Preventing and impedingLimiting and restricting
(Definition of knock sth on the head from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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Translations of “knock sth on the head”

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