Well, at least the Italians rip you off with a smile.

“但是，至少意大利人骗你的时候脸上还会带着微笑。”

You know, why don't I just take you there? That way, I can make sure he doesn't rip you off.

算了，我还是带你去吧? 这样才能保证他不会把你大卸八块。

Okay. It's a shame about those scientists ripping you off. I expected a higher ethical standard from our friends in Sweden.

好吧，那些占你们便宜的科学家实在太不要脸了，我还以为瑞典的朋友们道德标准会更高呢。

He's here to tell us who ripped you off. -He better.

他来指证是谁玩的老千 - 他最好这么做。

What's wrong? Did they rip you off ?

怎么了？他们欺骗了你吗？

By the way, there's also a verb to rip off so you can say something is a rip-off, or you can say that someone is going to rip you off.

顺便说一句， 还有一个动词 to rip off 所以你可以说 something is a rip-off，或者你可以说 someone is going to rip you off。