당연하다

In a sentence

• 당연하다 싶었지만, 다시 한번 물어보았다.

  I thought it was natural, but I asked again.

  Here, '당연하다' expresses an assumption that something is evidently understood or accepted.

• 그것이 실패한 것은 당연한 결과였다.

  It was a natural outcome that it failed.

  In this sentence, '당연하다' is used to indicate an expected or inevitable result.

• 친구를 도와주는 것은 당연한 일이다.

  Helping a friend is a natural thing to do.

  Here, '당연하다' conveys the appropriateness or moral obligation of an action.