Meaning
being a drudgery; being a backbreaker — Something being unbearably difficult and troublesome.
Conjugations
고역스러운고역스러워고역스러우니고역스럽습니다고역스러워요고역스러웠어고역스러웠어요고역스러웠습니다
being a drudgery; being a backbreaker — Something being unbearably difficult and troublesome.