一針一線 yīzhēnyīxiàn a single needle and thread Origin Definitions Defs Strokes Stroke Words Sentences Sents 一 yī numeral one one; the number 1; single; alone针 針 zhēn noun needle needle; pin; a small, thin tool used for sewing or knitting一 yī numeral one one; the number 1; single; alone线 線 xiàn noun thread thread; string; wire; something long and thin like a thread; (bound form) made of cotton thread