책임이

In a sentence

• 그의 실패에 대해 책임이 있다.

  There is responsibility for his failure.

  In this sentence, '책임이 있다' means 'responsibility lies with' or 'one has responsibility for', indicating accountability.

• 책임이 무거운 일을 맡았다.

  I took on a job with heavy responsibilities.

  Here, '책임이' is used to describe a quality of the job, meaning 'responsibilities of the job are' heavy.

• 책임이 없는 사람처럼 행동하지 마세요.

  Do not act as if you have no responsibilities.

  In this context, '책임이 없는' refers to the state of not having responsibilities, modifying the subject's behavior.