I must bone up on my French before we go to Paris.

在我们去巴黎之前，我必须刻苦学习法语。

youdao

Maybe you have to bone up on your test-taking skills.

你应该提升一下应试技巧。

youdao

I had to bone up on my Latin verbs before the final exam.

期末考试前我得苦攻一下我的拉丁语动词。

youdao

Also,the break will start to repair itself, so you want to make sure the bone is lined up correctly.

VOA: special.2009.02.04

Maybe you have to bone up on your test-taking skills.

你应该提升一下应试技巧。

麻省理工公开课 - 固态化学导论课程节选

And in conclusion he imagines giving up that terrific drive towards imagination and idealization and a return to the "rag and bone shop of the heart."

结尾时他想象,放弃这一想象力和理想化的,极妙的创作驱动力,回到污秽的心的废品铺“

耶鲁公开课 - 现代诗歌课程节选

Many clients purchase these info products to bone up on basic legal facts before they engage Nina directly.

FORBES: Legal Tools For Entrepreneurs

That's why devastated policy holders would be wise to bone up on strategies for making the big boys pay.

FORBES: Magazine Article

Salespeople use it to bone up on customers before making a pitch.

FORBES: Is Your Product's Price Right?