어떻게 알고

how did you know

→ 어떻게
phrase Uncommon #13,891
how did you know Used to ask how someone found out or learned something. The exact tense depends on context.
KO: 내 이름을 어떻게 알고 있어?
EN: How do you know my name?

여길 어떻게 알고 찾아왔어?

How did you find out about this place?

— 아틀란티스: 잃어버린 제국 (2001)

어떻게 알고 왔어?

How did you know to come?

— Tune in for Love (2019)

전화번호는 어떻게 알고?

How do you know my phone number?

— 필사의 추적 (1981)

그놈이 어떻게 알고 와, 여기를?

How did that bastard know to come here?

— Time to Hunt (2020)

어떻게 알고?

How do you know?

— 파이트 클럽 (1999)

날 어떻게 알고?

How do you know me?

— 아메리칸 갱스터 (2007)

씨 알았어, 알았어 근데 아들, 어떻게 알고 왔어?

Okay, okay. But, son, how did you know to come here?

— Time to Hunt (2020)