So a rip-off or to be ripped off or to rip someone off refers to a situation where you did pay for something, but the thing you got isn't exactly what you thought you were paying for.

所以 rip-off 或 to be riped off 或 to rip someone off 指的是这样一种情况， 你确实为某事付出了代价，但你得到的东西并不完全是你认为你付出的代价。