Read Edit View history 丝毫 sīháo HSK7 iota Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 丝毫/ 絲毫 sīháo iota numeral · the slightest amount or degree; a bit 即使面对困难，他也丝毫不退缩。 Edit Delete References Add reference No references for this word.