모르겠습니다

In a sentence

• 저는 그 문제에 대해 모르겠습니다.

  I do not know about that issue.

  The usage of '모르겠습니다' expresses lack of knowledge or understanding about a specific topic.

• 어떻게 해결할 수 있는지 모르겠습니다.

  I do not know how to solve it.

  Here '모르겠습니다' is used to indicate the speaker's lack of ability to determine a solution or method.

• 내일 날씨가 어떨지 모르겠습니다.

  I do not know what the weather will be like tomorrow.

  In this case, '모르겠습니다' conveys uncertainty about a future condition or state.