어떻게 그런

how could you...

→ 어떻게
phrase Uncommon #9,076
how could you... Often expresses surprise or disbelief and is followed by a noun or an action, as in “How could you say that?”
KO: 어떻게 그런 생각을 해요?
EN: How could you think that?

어떻게 그런 거짓말을 해요?

How can you lie like that?

— 캐치 미 이프 유 캔 (2002)