No. 10,129 in Korean
관건이다
"To be the key or crucial factor."
In a sentence
문제 해결의 관건이다.
It is the key to solving the problem.
In this sentence, '관건이다' emphasizes the importance or critical factor necessary in resolving an issue.
성공 여부는 노력의 관건이다.
Success depends on effort.
Here, '관건이다' is used to indicate that effort is the decisive element in determining success.
건강이 행복한 삶의 관건이다.
Health is the key to a happy life.
In this example, '관건이다' conveys the idea that health is essential for a fulfilling life.
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