This is the 18121st most frequent Korean word.
수준보다
"수준보다" means "compared to the level" or "relative to the standard."
In this sentence, '수준보다' is used to compare the difficulty of a book to the person's current level of understanding.
그 책은 내 수준보다 조금 어렵습니다.
That book is slightly above my level.
Here, '수준보다' is used to compare the class to an expected average level.
이 수업은 평균 수준보다 낮습니다.
This class is below the average level.
In this sentence, '수준보다' is applied to contrast his skill level with the individual's own level.