red cent
US /rɛd sɛnt/
UK /rɛd sɛnt/

1.
ani grosza, nic a nic
a very small amount of money; nothing at all (used in negative contexts)
:
•
I wouldn't give him a red cent for his advice.
Nie dałbym mu ani grosza za jego radę.
•
After all that work, he didn't earn a red cent.
Po całej tej pracy nie zarobił ani grosza.