丝毫 sīháo HSK7 the slightest amount Origin Definitions Defs Strokes Stroke Words Sentences Sents 丝毫不差 sīháobùchā precise to the finest detail accurate to perfection; without the slightest error or discrepancy丝毫不爽 sīháobùshuǎng perfectly accurate (idiom) perfectly matching; without the slightest error or discrepancy; very reliable