讲解文本：

rip 撕

rip off 敲诈，剥削

rip someone off 宰客，敲竹杠

Hey, don't try to rip me off, I know what this is worth.

别想宰我，我知道它值多少。

The shop tried to rip me off, but I taught them a good lesson.

那个商店企图敲我竹杠，结果让我教训了一顿。

疯狂练习吧!