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English definition of “beaver away”

beaver away

informal phrasal verb with beaver     /ˈbiː.vər/ US  /-vɚ/ verb
to work hard for a long time: She has been beavering away at that essay for hours.Work, working and the workplaceWorking hours and periods of work
(Definition of beaver away from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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