간섭

In a sentence

• 다른 사람의 일을 너무 간섭하지 마십시오.

  Please don't interfere too much in other people's matters.

  Here, '간섭' (interference) indicates involvement in someone's business or affairs without being required, expressing a sense of unwelcome intervention.

• 아이들이 놀이를 할 때 간섭하지 않는 것이 좋습니다.

  When children are playing, it's best not to interfere.

  In this sentence, '간섭' refers to unnecessary or excessive intervention in children's activities, emphasizing giving them freedom.

• 너의 간섭이 없었다면 나는 더 잘할 수 있었을 거야.

  If it hadn't been for your interference, I could have done better.

  The word '간섭' implies unwanted meddling that potentially had a negative impact on the person's ability to perform or achieve something effectively.