make it or break it

-ili-ili; biti ili ne biti; uspjeti ili propasti

also: make or break something

-to cause something to succeed or fail: His opinion could make or break a Broadway play.
also: make or break someone

[of a task, job, career choice] to bring success to or improve, or ruin, someone.The army will either make or break him.
It’s a tough assignment, and it will either make or break her.