「穷到要吃土」英文怎么说？

poor as a church mouse 

一贫如洗、穷得像叫化子、穷得要吃土了

She's poor as a church mouse, so you can't expect her to donate anything. 

她已经穷到要吃土了，你就别指望她能捐什么东西出来了。

When we first got married, we were as poor as church mice. 

刚结婚的时候，我们俩穷的那叫一个叮当响啊。