(as) poor as a rat

• 一贫如洗；穷到极点

(as) poor as a rat的用法和样例：

例句

1. Her family was impoverished by a fire.
   她的家庭被一场火弄得一贫如洗。
2. My aunt is as poor as a church mouse.
   我姨妈穷得一贫如洗。