아들이지

you're a son, right?

→ 아들
phrase Rare #22,413
you're a son, right? 아들 means “son,” and 이지 is a casual sentence ending used to confirm or emphasize that something is the case. Depending on context, it can also mean “that's my son” or “you really are a good son.”
KO: 너는 우리 아들이지.
EN: You're our son, right?

드와넬 아들 이지?

Are you Mr. Dwanel's son?

— 400번의 구타 (1959)

그래야 아들 이지

That's my boy.

— 영원 (2025)

당신은 정말 좋은 아들 이지!

You're such a good son!

— 세 얼간이 (2009)