如果我的学生正歪歪斜斜的在比赛的热身场地里，抓着缰绳象醉汉抓着路灯杆，我必须立刻做些什么保证马匹和骑手都安全。
If my student is careening around the warm-up arena , hanging on the reins like a drunk on a lamppost , I have to do something right now to make that horse and rider safer .
热身场地