adj.不知疲倦的；孜孜不倦的
He was above all a good and tireless writer. 他首先是位優(yōu)秀的、不知疲倦的作家。
He is a tireless fighter against racism. 他是一位不屈不撓的反種族歧視的斗士。
adv.不厭倦地
