방해가 되지

be in the way; cause a disturbance

→ 방해
phrase Uncommon #14,527
be in the way; cause a disturbance This phrase is part of 방해가 되다, meaning “to be a disturbance” or “to get in the way.” In the example, 되지 is followed by 않나요 to ask whether the speaker is not causing a disturbance.
KO: 제가 방해가 되지는 않나요?
EN: Am I not getting in the way?

따라서 방해가 되지 않았어요

So it didn't get in the way.

— 세나: F1의 신화 (2010)