This is the 5694th most frequent Korean word.
방해
"방해" means "interruption" or "disturbance."
Here '방해' is used to indicate interference or disturbance causing inability to complete an activity.
너의 방해 때문에 일을 끝내지 못했어요.
Because of your interference, I could not finish the work.
In this sentence, '방해' refers to a minor disturbance that might redirect attention positively.
약간의 방해는 때로 일을 더 잘할 수 있도록 도와줄 수도 있어요.
A small disturbance can sometimes help to perform better.
Here '방해' is used to describe a hindrance caused to traffic flow due to an external factor.