어떻게 알았지

how did you know

→ 어떻게
phrase Rare #30,019
how did you know The subject is often omitted and understood from context; commonly used to express surprise.
KO: 내가 여기 있는 걸 어떻게 알았지?
EN: How did you know I was here?

거기 있는 건 어떻게 알았지?

How did you know it was there?

— 불릿 트레인 (2022)

저 사람은 내 이름을 어떻게 알았지?

How did that person know my name?

어떻게 알았지?

How did you know?

— 쿵푸팬더 4 (2024)

이 번호 어떻게 알았지?

How did you get this number?

— 나우 유 씨 미 3 (2025)