讲解文本：

shake a leg 赶紧，赶快，赶紧走

Come on, shake a leg, you're going to be late for school.

拜托，赶紧的，你上学要迟到了。

Let's shake a leg. They are waiting for us!

我们赶快，他们在等着呢。

疯狂练习吧!