보관만

only kept

→ 보관
phrase Rare #21,460
only kept 보관 means “to store” or “to keep,” and 만 adds the meaning “only.” It emphasizes that the speaker stored or kept something without using or touching it.
KO: 나는 그 편지를 보관만 했어.
EN: I only kept the letter.

그대로 보관만 했을 뿐 손도 안 댔어

I just kept it stored as it was; I didn’t even touch it.

— 레옹 (1994)

은행처럼 보관만 하네

I just hold onto things like a bank.

— 레옹 (1994)

보관만 했어

I only stored it.

— 레옹 (1994)