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？

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。

I am sorry I can't take you out to a nicer dinner. Ever since I lost my job I have become something of a penny pincher.

很抱歉，没能带你出去吃顿好的。自从失业后，我就变得有点儿省吃俭用了。

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。