A person who is ripped off has had something stolen, or at least has been treated very unfairly.

VOA: special.2010.05.16

Why? Because the Jews didn't like the tax collectors because they were being ripped off by them.

为什么，因为犹太人不喜欢税吏,因为他们被剥削。

耶鲁公开课 - 新约课程节选

So you get kind of ripped off a little bit, and there's a lot of people who are not too happy about that.

所以，你有点像是被敲诈勒索了，很多人对此很不满。

公共交通更方便 - SpeakingMax英语口语达人

The message on the sign was that the student felt ripped off, or cheated.

VOA: special.2010.05.16

People trying to earn money also must be aware of being ripped off.

VOA: special.2010.05.16

But they also have a right not to get ripped off by the sudden rate hikes, unfair penalties and hidden fees that have become all too common in our credit card industry,"

VOA: standard.2009.05.09

The force of the explosion ripped the facades off several houses in the area.

VOA: standard.2009.12.09