adj.痛苦的；疼痛的；費力的
It was painful for him to renounce his son. 宣布與兒子脫離關系對他來說是很痛苦的。
His wife's death left a painful void in his life. 他妻子的死給他的人生留下了痛苦的空虛感。
The sting of a jellyfish is very painful. 讓水母刺著是很痛的。
He gained the medal through his painful travail. 他通過艱辛的努力獲得了獎牌。
painful用作表語時,其主語不能是人。
adv.痛苦地；苦惱地；費力地
