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English definition of “knock sth off”

knock sth off

(PRODUCE) informal phrasal verb with knock     /nɒk/ US  /nɑːk/ verb
to produce something quickly and easily: She can knock off (= write) a novel in a couple of weeks. → See also knock sth outCreating and producingInventing, designing and innovation
(Definition of knock sth off (PRODUCE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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