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English definition of “burn the midnight oil”

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burn the midnight oil

C2 to work late into the night
Translations of “burn the midnight oil”
in Chinese (Traditional) 工作到深夜, 熬夜工作…
in Chinese (Simplified) 工作到深夜, 熬夜工作…
(Definition of burn the midnight oil from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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