不失毫厘

Explanation: Loss: poor. Least bit: a small unit of weight or length. Not bad penny one centimeter. 　　Usage: Verb-object type; as the predicate attribute; that is very accurate 　　Source: Qin Xun "Xunzi Ru effect": "saint, where this kind, when right and wrong, words and deeds together, yet ho (mm) to determine." Thesaurus:  Not the least bit bad, iota all right, accurate, a modicm not well, A modicm Not cool