不爽

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

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

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

well-tried / time-tested

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

not to deviate one hair's breadth (idiom) / to be extremely accurate

divine retribution is unfailing (idiom) / one is inevitably punished for one's misdeeds