부자가 될

will become rich

→ 부자
phrase Uncommon #14,559
will become rich 될 is commonly followed by a noun or by 거예요 to say someone will become rich.
KO: 그는 언젠가 부자가 될 거예요.
EN: He will become rich someday.

부자가 될 만큼은 아니었다.

It wasn't enough to make me rich.

귀도 우린 부자가 될 거 야

Guido, we're going to be rich too.

— 8과 1/2 (1963)