Definition of brush up phrasal verb from the Oxford Advanced Learner's Dictionary


brush up

 phrasal verb
phrasal verb Language skills
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Phrasal Verbs

brush somethingup


brush up on something

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to quickly improve a skill, especially when you have not used it for a time I must brush up on my Spanish before I go to Seville. See related entries: Language skills
See the Oxford Advanced American Dictionary entry: brush up