折疑論 2.109

2.109

臯陶馬喙（皐陶外傳曰。陶音姚。喙許穢切。舜賢臣也口似馬喙）。

Gaoyao had a horse's snout. (The Outer Tradition of Gaoyao states: Yao is pronounced yao. Hui has the initial xu and rhyme hui. He was a worthy minister of Shun; his mouth was like a horse's snout.)