nod off片语动词KK [nɑd ɔf] /nɑd ɔf/发音片语动词1打瞌睡、不知不觉睡著口语He nodded off halfway through the movie last night.昨晚电影演到一半他就打起瞌睡了。2睡去、入睡The baby finally nodded off in her mother's arms.宝宝终于在妈妈怀里睡著了。用这个字练口说→