一言难尽 yīyánnánjìn it's a long story Definitions Defs Origin Strokes Stroke Words Sentences Sents 一言 yīyán noun one word a single word, a brief remark, or one sentence难 難 nán adjective difficult difficult; hard to do; troublesome; not easy; problematic; the opposite of 容易 róngyì尽 盡 jìn verb to use up to use up; to exhaust; to finish; to end