毫釐不爽

not to deviate an iota (idiom) / to be extremely accurate

hair / drawing brush / (in the) least / one thousandth / currency unit, 0.1 yuan

Li (c. 2000 BC), sixth of the legendary Flame Emperors 炎帝[Yan2 di4] descended from Shennong 神農|神农[Shen2 nong2] Farmer God, also known as Ai 哀[Ai1]

one hundredth / centi-

no; not so / (bound form) not; un-

not well / out of sorts / in a bad mood / without discrepancy / accurate

bright / clear / crisp / open / frank / straightforward / to feel well / fine / pleasurable / invigorating / to deviate