我需要对历史下苦功。
I need to bone up on my English.
我得好好学英语。
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。
Maybe you have to bone up on your test-taking skills.
你应该提升一下应试技巧。
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。
She had to bone up on the property laws before her big day in court.
在上法庭这个重要日子之前，她必须苦读财产法。
Jim checked out some books from the library in order to bone up on physics.
吉姆从图书馆借了一些书，以便钻研物理学。
The method of breaking through the bottleneck is to bone up on typical materials.
突破这个瓶颈的办法是恶补典型材料。
The method of breaking through the bottleneck is to bone up on typical materials.
突破这个瓶颈的办法是恶补典型材料。
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