Make it big
Definition 1 of 1
Pro Tip 1/3Colloquial Usage
Used more in casual conversation than formal speech or writing. 
She's determined to make it big as a singer one day.
Pro Tip 2/3Ambition Context
Often tied to personal ambition or a significant achievement in one's career. 
With all his talent, he's sure to make it big.
Pro Tip 3/3Pop Culture
Commonly found in discussions about the entertainment industry, such as music and film. 
She dreams of moving to Nashville to make it big in country music.