分毫不爽

Explanation: Analogy is not the slightest error. 　　Usage: Partial official; as attribute; described without the slightest error 　　Source: Mingling 濛 early "first moment Pai An Jing Qi" Volume 30: "Yin reported that things have to do more, but it is the government being in the nether land, though it is nothing bad mood, no one saw." 　　Examples: Where a passenger in the boat, it was his account, access ~. (Ming Feng Meng "Jingshitongyan" Volume XII) Thesaurus:  Yet the least bit, Not the least bit bad, iota all right, accurate, A modicm Not cool