讲解文本：
hint 暗示，小线索 I gave him a hint, he didn't get it. 我给了他一点暗示， 但他没有领会。 Try not to miss even one hint, we don't have time. 试着别漏掉任何一个线索，我们已经时间不多了。
疯狂练习吧！
