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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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