麟凤龟龙

Explanation: The four animal gods, a symbol of good omen. Metaphor of rare and valuable things. Also be used to high moral character, respected by others people. 　　Usage: Joint type; as object; analogy something rare and precious 　　Source: Han Dai Holy "Book of Rites, Li Yun": "What is the four spiritual? Lin Feng turtle dragon, that the four spirits."