肘腋之患

Explanation: Zhou Ye elbow and folders nest limb, very close to the analogy. Generated in the side of the scourge. 　　Usage: Partial official; as subject; described arising from the scourge side 　　Source: "The True Story of Three Kingdoms Shu Chi Law" near Lady Sun has changed the fear under the Zhou Ye. " 　　Examples: It is ~, not if we get rid of his first start. ★ Qing Chen Chen, "Water Margin after the transfer" The Fifth Thesaurus:  Metamict elbow and armpit, serious hidden trouble or danger, Bad health elbow and armpit, Hinterland of the disease, favorite hydra Antonym Group:  A slight ailment, subtle Of the disease