枯木死灰

Explanation: Ashes: the cold ash remaining after combustion. Body, such as dead wood, Xinrusihui. Analogy is extremely pessimistic. 　　Usage: Joint type; as object, attribute; extremely pessimistic metaphor 　　Source: He replies, "Zhuangzi Equality of Things": "solid shape, such as dead wood can, and make heart-solid, such as ashes or Down?" 　　Examples: Although the public things, it was the light of this person, but if the ears - full length. (Song Chenliang "and should Zhong real book")