못된

In a sentence

• 그 아이는 못된 짓을 해서 혼이 났다.

  That child was scolded for doing something bad.

  Here, '못된' describes vile or malicious behavior, implying incorrect actions.

• 그는 못된 성격으로 친구들과 자주 다툰다.

  He often argues with friends due to his bad attitude.

  In this sentence, '못된' characterizes a negative personality trait or bad temperament.

• 못된 소문이 돌아서 사람들이 걱정했다.

  A bad rumor circulated, causing people to worry.

  Here, '못된' refers to unfavorable or damaging nature of the rumor, showing a harmful effect.