She's such a penny pincher/tightwad.

她真是个守财奴/小气鬼。

Why is George called a penny pincher?

为什么把乔治叫吝啬鬼？

Well, you can't be a penny-pincher all the time.

那你也不能总是一分钱掰成两半花吧。

He is not only a penny-pincher, but also a very judgmental person.

他不但是位吝啬鬼，也是位喜欢自作评价者。

He spent so little money that he began to get the name of a penny pincher.

他用钱太少以致开始获得吝啬鬼的恶名。