This is the 14482nd most frequent Korean word.
문제이다
"It is a problem."
In this sentence, '문제' is used to refer to a complexity or complication which requires solving or understanding. The word '문제이다' implies a problematic situation or difficulty.
그 문제는 매우 복잡하다.
That problem is very complex.
Here, '문제이다' indicates a situation that could cause trouble or lead to unfavorable outcomes, emphasizing the necessity of resolution or better understanding.
학생들이 질문을 잘 이해하지 못했으면 문제이다.
If students do not understand the question well, it is a problem.
In this sentence, '문제' is used to denote pressing issues or challenges, particularly those that require societal action or intervention.