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English definition of “knock sth out”

knock sth out

informal phrasal verb with knock     /nɒk/ verb [T]
to produce something quickly without spending time thinking about the details: Modern computer games take a long time to develop; you can no longer knock one out in three months.
to stop a machine, system, etc. from working: Powerful storms knocked out electricity to more than a million customers in the area in July.
(Definition of knock sth out from the Cambridge Business English Dictionary © Cambridge University Press)
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