全军覆没

Explanation: All the whole army was destroyed. Metaphor to complete failure. 　　Usage: The main predicate; as the predicate attribute; containing derogatory 　　Source: "Old Tang Li Xilie Biography": "they are all defeated by government troops, the Bo-meter wiped Jingnan section." 　　Examples: Jianjun eunuch Guo Jing, Zhu Jiang noted as the system of teacher indiscipline, and Lian Zhu Mian ~ carry on. (Qing Gu "Rizhilu" Juanjiu) 　　Riddle: Only child is not left Thesaurus:  a armour, a soldier or a general Not return