This is the 5365th most frequent Korean word.
두드리는
"Knocking" or "tapping."
Here, '두드리는' describes the sound produced by someone knocking on the door.
그는 문을 두드리는 소리를 들었다.
He heard the sound of someone knocking on the door.
In this sentence, '두드리는' is used metaphorically to describe the wind's movement that resembles a tapping sound.
바람이 창문을 두드리는 듯이 불었다.
The wind blew as if it were tapping on the window.
Here, '두드리는' refers to the painter's tapping movements applied while creating the artwork.