Don't you even feel a little bad sponging off your friends?

你压榨你的朋友们就不觉得有一点不好吗?

And it can also be used as a verb–to sponge off someone.

这个词也可以用作动词，揩某人的油。

It's also a verb 'to sponge off someone.' Be careful to use the word 'off' with this verb.

动词搭配是揩某人的油。注意这个词用作动词时要和off搭配。

I know when I'm dreaming, and this really happened. Why else would I be sponging butt prints off my stool?

我分得清梦和现实，昨晚绝对不是梦境。不然我干嘛要自找麻烦呢？

Dickens was unimpressed by all of his children whom he regarded as idle and ever ready to sponge off him.

狄更斯对他所有的孩子都不感兴趣， 他认为这些孩子无所事事， 随时准备从他身上擦掉。

Is — is Mrs. Elsing coming right away" ? " Yes, right away, " said Scarlett. " I'll go down and get some fresh water and sponge you off.

埃尔辛太太马上就会来吧？" " 是的，马上，" 思嘉说，" 我下楼去打盆清水来，用海绵给你擦擦。

Most fathers in the same situation would either want to live vicariously through their children's lives or sponge off their backs, but your father, he's just trying to protect you.

大多数父亲遇到这种情况要么是想让孩子实现自己未能实现的梦想要么就会靠孩子挣钱，但你父亲只是想保护你。