蹄间三寻

Explanation: A horse running, before and after hoof jumped more than three search. Described the horse to run faster. 　　Source: "Warring States Korea policy for a": "horse Qin Liang, Rong soldiers of the public, explore the former Gui, the hoof to find those three, the number can not be said." 　　Examples: Said seven feet look. The Horse take the disease, before and after the hoof is also threw more than three search. ★ "Zhang Yi Historical Biography," lead article, Sima Zhen Solitude