This is the 16381st most frequent Korean word.
비틀었더니
"비틀었더니" means "twisted it, and then" or "when (someone) twisted it."
Here, '비틀었더니' is used to describe the action of twisting the door handle, leading to the result of the door opening.
문 손잡이를 비틀었더니 열렸다.
I twisted the door handle, and it opened.
In this instance, '비틀었더니' indicates the twisting motion performed on the wrist, followed by the sensation of pain.
손목을 비틀었더니 아팠다.
I twisted my wrist, and it hurt.
Here, '비틀었더니' conveys the manipulation of the paper by twisting it, resulting in a change in its shape.