있는지 몰랐어

I didn’t know that someone or something existed, was available, or had a particular quality.

→ 있다
phrase Rare #30,997
I didn’t know that someone or something existed, was available, or had a particular quality. The exact meaning depends on context; 있는지 can mean “whether someone has,” “whether something exists,” or “whether something is the case.” This is informal speech.
KO: 톰은 메리한테 남동생이 있는지 몰랐어.
EN: Tom didn’t know that Mary had a younger brother.

톰은 메리 한테 남동생이 있는지 몰랐어.

Tom didn’t know that Mary had a younger brother.

네가 미술에 관심 있는지 몰랐어

I didn’t know you were interested in art.

— 걸리 보이 (2019)

이렇게 다양한 음식이 있는지 몰랐어 이거 먹을래?

I didn't know there were so many different kinds of food. Would you like to eat this?

— 크리에이터 (2023)

찍고 있는지 몰랐어

I didn’t know you were filming.

— 아나콘다 (2025)