at top speed

快马───Fast horse;加鞭───whip

If I want to race a man and my mind is the fast horse, my heart is the medium horse and my body is the slow horse.───如果我要同男人较量，我的头脑便是快马，我的心性便是中马，我的身体就是驽马。

Once upon a time a messenger was going to deliver an urgent document. His superior was afraid of delay and set aside a very fast horse for him.───从前，一个差役要送一份紧急公文，上司怕误了日期，拨了一匹快马给他。

This animal is a horse. A horse can run fast.───这是一匹马。马跑得很快。

I dream of riding a fast horse, racing with the wind.───或者骑着一匹马儿在碧空万里的草原上奔驰，与风儿赛跑！

Afterward, Li Zhangzhu exchanges fast horse Elvis , the country peaceful attack thorough speed.───随后，李章洙换上快马埃尔维斯，国安进攻彻底速度。

Ceteris paribus, a fast horse is better than a slow one.

He's not a fast horse but he's certainly a stayer.