广播电视英语短句 第 289 课：Hit 是个小词-3

Something that has hit bottom can go no lower. 事物到达底点时就不能在下降了。

If the price of shares of a stock hits bottom that might be the time to buy- it. Its value can only go up. 如果股票的价格降到最低，那就到时间购买了。它的价值只能上涨了。

A student who tells you his grades have hit bottom is saying he has not done well in school. 一个学生告诉你他的成绩很差就表示他在学校表现不好。

When a student's grades hit bottom it is time to hit the books. 当学生的成绩很差时，那他就该努力学习了。

Hit the books is another way to saying it is time to study. Hit the book 是努力学习的另一种说法。