This is the 14234th most frequent Korean word.
모르겠습니다
"I don't know."
The usage of '모르겠습니다' expresses lack of knowledge or understanding about a specific topic.
저는 그 문제에 대해 모르겠습니다.
I do not know about that issue.
Here '모르겠습니다' is used to indicate the speaker's lack of ability to determine a solution or method.
어떻게 해결할 수 있는지 모르겠습니다.
I do not know how to solve it.
In this case, '모르겠습니다' conveys uncertainty about a future condition or state.