이 뭐가

what ...?

→ 이

phrase Rare #26,679

what ...? Used in questions, often rhetorical, to ask what is significant, good, or problematic about something. The 이 is the subject particle attached to the preceding noun, and 뭐가 means “what” as the subject.

KO: 이 사진이 뭐가 대수라고 그래?

EN: What's the big deal about this photo?

그러면 국적이 뭐가 되나?

Then what is your nationality?

— 잉글리쉬 페이션트 (1996)