白玉无瑕

Explanation: Flaw: Red spots on the jade. White jade without any defects on the spot. Perfect metaphor or something 　　Usage: The main predicate; as object, attribute; with compliment 　　Source: Song, Buddhism, Taoism original "State of Longevity Ji Jing Chuan Deng recorded monk": "Q: 'never Expo to teach the king a little space, look through the tricky road test.' The master said: 'white flawless, Bian, and cut off the feet enough'."