This is the 11220th most frequent Korean word.
기준이다
To be the standard.
In this sentence, '기준이다' indicates that safety serves as the standard or criterion for evaluating products.
안전성은 제품 평가의 주요 기준이다.
Safety is the main standard for product evaluation.
Here, '기준이다' is used to describe that the level of effort acts as a determining criterion for success.
성공 여부는 노력의 수준에 달려 있는 기준이다.
Success depends on the level of effort as a criterion.
In this sentence, '기준이다' signifies that time functions as a crucial factor or standard in the process of planning.