마음에 걸리다

to bother; to weigh on one's mind

→ 마음

phrase Rare #25,216

to bother; to weigh on one's mind Used when something causes lingering concern or unease.

KO: 약속을 못 지킨 일이 아직도 마음에 걸리다 보니 사과하고 싶어요.

EN: Since it’s still weighing on my mind that I couldn’t keep my promise, I want to apologize.