가 뭔가

what is [subject]?

→ 가

phrase Rare #25,058

what is [subject]? Used to ask what something is. The phrasing can sound blunt or formal, depending on context.

KO: 이유가 뭔가?

EN: What is the reason?

코드 레드가 뭔가?

What is Code Red?

— 어 퓨 굿 맨 (1992)