끝

In a sentence

• 모든 일이 끝났어요.

  All tasks are finished.

  '끝' is used as a noun meaning 'end' or 'completion', indicating that all tasks reached their conclusion and were completed.

• 이 책의 끝이 정말 놀라웠어요.

  The ending of this book was truly surprising.

  In this context, '끝' denotes the ending or conclusion part of something, specifically referring to the final part of the book in question.

• 우리는 비가 그치기를 기다린 후에 산책을 끝냈어요.

  We waited until the rain stopped, then finished the walk.

  Here, '끝냈어요' combines '끝' with the verb '내다', conveying the action of completing or finishing something, which in this case is the walk.