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

1.
biedny jak mysz kościelna, bardzo biedny
to be extremely poor; to have no money at all
:
•
After losing his job, he was as poor as a church mouse.
Po utracie pracy był biedny jak mysz kościelna.
•
They lived as poor as church mice for years before their business took off.
Żyli biedni jak myszy kościelne przez lata, zanim ich biznes ruszył.