麟角凤嘴

Explanation: Mouth: the beak. Unicorn horns, Phoenix's mouth. Analogy rare precious. 　　Source: Han Dongfang Shuo, "at home and ten Chau mind": "cook beak and Lin Jiao Feng, decoction as ointment, gel be named as second wife, or the name of even the gold mud. This glue can continue the string of the bow Nu has been broken, the sword Duanzhe Gold. "