羚羊挂角

Explanation: Overnight antelope, hanging corner in the tree, feet touching the ground, in order to avoid misfortune and suffering. Old analogy of poetry and more detached mood. 　　Usage: The main predicate; as object; analogy detached mood, could not acting 　　Source: Song Yan Yu "Debate Changlangshihua Poetry": "Tang Morohito, only in the interest of antelope horn hanging, without a trace rectifiable. Therefore, its beauty, exquisite opacity, not Cou Park."