go through the mill | put somebody through the mill

idiomPart ofmill

go through the mill | put somebody through the mill — idiom

1. To experience or cause someone to experience a very difficult or unpleasant situ

1.idiom
Definition

To experience or cause someone to experience a very difficult or unpleasant situation.

Example

Sara went through the mill during her first year of medical school.

Did the tough training really put you through the mill?