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English definition of “knock sth out”

knock sth out

verb uk phrasal verb with knock   /nɒk/ us    /nɑːk/

(PRODUCE)

informal to produce something quickly without spending time thinking about the details: I've knocked out a first draft of the report that we can amend at a later date.
See also
Creating and producingInventing, designing and innovation

(DESTROY)

If something such as a piece of equipment is knocked out by something else, it stops working or is damaged or destroyed: The surge in the power supply knocked out all the computers. Enemy aircraft have knocked out 25 tanks.Destroying and demolishingDamaging and spoiling
(Definition of knock sth out from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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