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English definition of “knock sb out”

knock sb out

(MAKE UNCONSCIOUS) phrasal verb with knock     /nɒk/ US  /nɑːk/ verb
B2 to hit someone so that they become unconscious: His opponent knocked him out with one punch. → See also knockout nounLosing consciousness
(Definition of knock sb out (MAKE UNCONSCIOUS) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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