go through the wringer

US /ɡoʊ θruː ðə ˈrɪŋər/
UK /ɡoʊ θruː ðə ˈrɪŋər/
"go through the wringer" picture
1.

to experience a very difficult or unpleasant period, often involving a lot of stress, criticism, or hardship

:
After the scandal, the company really had to go through the wringer.
Preparing for the exam made me go through the wringer.