Make or break.
Make or break.
The phrase "make or break" signifies a critical point that will ultimately determine the success or failure of something. Consider a new business whose future might depend on the outcome of its first-year earnings: this situation could "make or break" the business.
This project will make or break his career.
The success or failure of this project will determine his career.
It's a make or break opportunity for the startup.
A critical opportunity that will determine the future of the startup.
Failing this exam could make or break his chances of getting into graduate school.
Failing this exam could determine his chances of getting into graduate school.