苏小素 发表于 2014-8-1 15:48:09

to bone up on something

to bone up on something 刻苦读书，临阵磨枪。We're going to Paris this summer. I have to bone up on my French. 我们今年夏天要去巴黎，我得恶补一下法语。Hit the books. 也有类似的意思。The finals are next week. I need to hit the books. 下星期就是期末考试了，我得赶紧加紧复习。
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