만 그런

only ... like that

→ 만
phrase Rare #25,022
only ... like that 만 means “only” and attaches to the word before it; 그런 means “like that” or “that way.”
KO: 너만 그런 게 아니야.
EN: You’re not the only one who feels that way.

기분만 그런 건가?

Is it just my imagination?

— 스파이더맨: 뉴 유니버스 (2018)