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English definition of “smarten up your act”

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smarten up your act

mainly UK
to make more effort: Why are you always so late? You'll have to smarten up your act if you want to keep your job.
Translations of “smarten up your act”
in Chinese (Traditional) 多加努力…
in Chinese (Simplified) 多加努力…
(Definition of smarten up your act from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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