丝毫不爽 sīháobùshuǎng perfectly accurate Origin Definitions Defs Strokes Stroke Words Sentences Sents 丝毫 絲毫 sīháo adverb the slightest amount the slightest amount or degree; a tiny bit. Usually used with a negative word to mean "not in the least" or "not at all".不爽 bùshuǎng accurate Without discrepancy; having no error; accurate