讲解文本：
hit the books 用功读书，用功学习 The final exam is coming. It's time to hit the books. 期末考试就快来了，该用功学习了。 I know there is a party tonight, but I have to hit the books. 我知道今晚有party. 但是我必须用功读书。
疯狂练习吧！
