be as poor as a church mouse
US /bi æz pʊr æz ə tʃɜrtʃ maʊs/
UK /bi æz pʊr æz ə tʃɜrtʃ maʊs/

1.
一贫如洗, 非常贫穷
to be extremely poor; to have no money at all
:
•
After losing his job, he was as poor as a church mouse.
失业后,他一贫如洗。
•
They lived as poor as church mice for years before their business took off.
在他们的生意起飞之前,他们一贫如洗地生活了多年。