绅士从不利用他人的无助和无知占便宜，而且认为凡是绅士也都不会占他的便宜。

He never takes advantage of another's helplessness or ignorance, and assumes that no gentleman will take advantage of him.

youdao

当然，有些人会利用这个退货规定占便宜，尤其当他们只是暂时需要某种东西的时候。

Of course there are some people who might take advantage of this return policy, especially when they need something for a momentary use.

youdao

你总利用他的慷慨占便宜。

You are always imposing on his generosity.

youdao