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！