This is the 13828th most frequent Korean word.
막으면서
"막으면서" means "while blocking" or "while preventing."
Here, '막으면서' is used to describe the act of blocking (막다) the road as an action occurring simultaneously with stopping the car.
그는 길을 막으면서 자동차를 세웠다.
He blocked the road while stopping the car.
In this sentence, '막으면서' indicates the action of blocking (막다) the door, which was performed simultaneously as preventing the wind.
문을 막으면서 바람이 들어오지 못하게 했다.
I blocked the door to prevent the wind from coming in.
The usage of '막으면서' here illustrates the action of covering (막다) the ears, paired simultaneously with avoiding the noise.