This is the 2785th most frequent Korean word.
유독
"유독" means "particularly" or "especially."
In this sentence, '유독' is used as an adverb to emphasize that today is distinctively clear among other days.
유독 오늘은 날씨가 맑네요.
It's especially clear weather today.
Here, '유독' highlights that music is a special area where he excels compared to other fields.
그는 유독 음악에 재능이 있다.
He has a distinctive talent for music.
In this context, '유독' stresses that this specific exam was notably more challenging than others.