词典释义：
释义
improve one's previously good knowledge of or skill at a particular thing
温习，复习；提高
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brush up on your telephone skills .提高一下你给人打电话的技巧。
双语例句
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I must brush up on my Spanish before I go to Seville.
我去塞维利亚之前一定得好好温习我的西班牙语。
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I really need to brush up on my math.
我真的需要认真复习一下数学。
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Tom needs to brush up on his English.
汤姆需要提高一下他的英语水平。
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I really need to brush up on my French.
我确实需要提高我的法语水平。
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He should brush up on the basic chords.
他应该好好练习基本和弦。
近义词
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Well, I guess we'll go back home and brush up on the anemone. You coming, Dory? Me? Oh I'm just going to the dropoff.
我看我们回家去，在海葵身上找吃的。你要来吗？多莉。我、我打算到悬崖那边去。
《Finding Dory》《海底总动员2：多莉去哪儿》