一颦一笑 yīpínyīxiào every frown and every smile Origin Definitions Defs Strokes Stroke Words Sentences Sents 一 yī numeral one one; the number 1; single; alone颦 顰 pín to frown (bound form) to knit the eyebrows; to frown or scowl.一 yī numeral one one; the number 1; single; alone笑 xiào verb to smile or laugh to have a happy expression on one's face or make sounds expressing joy; to smile; to laugh