心悦诚服 xīnyuèchéngfú to be completely convinced Origin Definitions Defs Strokes Stroke Words Sentences Sents 心 xīn noun feelings mood; emotion; state of mind悦 悅 yuè nounadjective happy (bound form) happy; pleased; delighted诚服 誠服 chéngfú to be completely convinced to be completely convinced; to accept another person's views or authority wholeheartedly; to submit or obey willingly