心如止水 xīnrúzhǐshuǐ to be at peace with oneself Definitions Defs Origin Strokes Stroke Words Sentences Sents 心 xīn noun mind thought; intellect; the organ of thinking如 rú preposition to be like to be like; to be similar to; as if止水 zhǐshuǐ still water stagnant or still water that does not flow