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English definition of “sharpen (sth) up”

sharpen (sth) up

phrasal verb with sharpen     /ˈʃɑː.pən/ US  /ˈʃɑːr-/ verb [T]
to perform better, or to improve the performance of something: If the company doesn't sharpen up soon, it will go out of business.Making things betterBecoming better
(Definition of sharpen (sth) up from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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