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Definition of “knock sth on the head” - English Dictionary

"knock sth on the head" in British English

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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.
(Definition of knock sth on the head from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “knock sth on the head”
in Chinese (Simplified) 制止…发生, 最终完成…
in Chinese (Traditional) 制止…發生, 最終完成…
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