穷光蛋

He used to be a millionnaire. But now he has become a bum.

（例）他曾经是百万富翁，不过现在已经变成穷光蛋了。

The vicissitudes of life may suddenly make a rich man very poor.

在人世的沧桑, 有钱人突然也变成穷光蛋。

By stopping all payments to her sons, she made all three of them poor at one blow.

三她也不给了，他们下全成了穷光蛋。