朽木死灰

Explanation: Withered trees and the fire out after the cold gray. Feelings of extreme depression compared to any matter indifferent. 　　Usage: Joint type; as object, attribute; containing derogatory 　　Source: "Zhuangzi Equality of Things" to describe such Gaomu make solid, and solid heart can, such as ashes or Down? " Thesaurus:  Bainianjiehui, Big loss prestige, be utterly destitute of passions and desires as rotten wood and dead ashes, Wan Nian are silent