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knock sb out
— Phrasal Verb with knock /nɒk/ verbDefinition
MAKE UNCONSCIOUS › to make someone become unconscious, usually by hitting them on the head: He was knocked out halfway through the fight.
DEFEAT › to defeat a person or team in a competition so they cannot take part any more: [often passive] The French team were knocked out in the semifinal.
(Definition of knock sb out from the Cambridge Learner's Dictionary
© Cambridge University Press)
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