인지는 모르겠지만

I don't know what ... is, but

→ 이다

phrase Rare #20,600

I don't know what ... is, but Used after an embedded question or statement of uncertainty, followed by a contrasting or related point.

KO: 무슨 일인지는 모르겠지만 걱정하지 마세요.

EN: I don't know what happened, but don't worry.