끊었다

In a sentence

• 그녀는 전화를 끊었다.

  She hung up the phone.

  Here, '끊었다' refers to ending a phone call, a common usage of the verb '끊다' in Korean.

• 나는 담배를 끊었다.

  I quit smoking.

  In this sentence, '끊었다' expresses the act of quitting or giving up a habit.

• 그는 다리에서 줄을 끊었다.

  He cut the rope on the bridge.

  Here, '끊었다' is used to describe the physical act of cutting or severing something like a rope.