一分一毫 yīfēnyīháo a tiny bit Origin Definitions Defs Strokes Stroke Words Sentences Sents 一 yī numeral one one; the number 1; single; alone分 fēn tenth a unit of length, area, or weight equivalent to one-tenth of the base unit一毫 yīháo a tiny bit literally meaning a single hair; used to describe something extremely small or a very tiny amount