bone up Definition in the Cambridge English Dictionary
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Definition of “bone up” - English Dictionary

Definition of "bone up" - American English Dictionary

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bone up

 /ˈboʊnˈʌp/ infml
phrasal verb with bone  us   /boʊn/ verb [T]
to ​study a ​subject as much as you can in a ​shortperiod of ​time: She boned up on her Spanish before going to Mexico.
(Definition of bone up from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "bone up" - British English Dictionary

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bone up

informal
phrasal verb with bone uk   /bəʊn/  us   /boʊn/ verb
to ​learn as much as you can about something for a ​specialreason: She ​boned up oneconomics before ​applying for the ​job.
(Definition of bone up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “bone up”
in Chinese (Simplified) 苦学,专心致志地学…
in Chinese (Traditional) 苦學,專心致志地學…
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