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1·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。《牛津词典》

2·I really need to brush up on my math.

我真的需要认真复习一下数学。

3·Tom needs to brush up on his English.

汤姆需要提高一下他的英语水平。

4·I really need to brush up on my French.

我确实需要提高我的法语水平。

5·He should brush up on the basic chords.

他应该好好练习基本和弦。

6·I really need to brush up on my English.

我真的很需要提高我的英语水平。

7·I really need to brush up on my English.

我确实需要提高我的英语水平。

8·They come here to brush up on technology.

他们来这里以求提高技术。

9·Let's brush up on our English for the exam.

让我们温习英文，准备考试。

10·Want to brush up on your skills or take a class?

想提升你的技能或参加培训？