What is another word for the school of hard knocks?
Pronunciation: [ðə skˈuːl ɒv hˈɑːd nˈɒks] (IPA) 
The phrase "the school of hard knocks" is an idiom that often refers to a tough or difficult learning experience. There are several other synonyms for this phrase that convey a similar idea. One of these is the "University of Experience," which suggests that the lessons learned from hard times can be just as valuable as those learned in a formal educational setting. "Life's lessons" is another synonym that emphasizes the idea that adversity can be a powerful teacher. Other related phrases include "trial by fire," "tough love," and "learning the hard way." All of these expressions convey the idea that growth and learning can come from facing difficult challenges.
