sharpen up your act definition, meaning - what is sharpen up your act in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “sharpen up your act”

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sharpen up your act

to improve your behaviour or performance: He really needs to sharpen up his act a bit, or he'll never get to university.
Translations of “sharpen up your act”
in Chinese (Traditional) 改進…的行為(或表現)…
in Chinese (Simplified) 改进…的行为(或表现)…
(Definition of sharpen up your act from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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