您要查找的是不是：
- It's hard for a former prisoner to keep on the rails. 一个犯有前科的人是很能难安分守法的。
- Keep on the alert; we're due for an inspection. 提防着点，轮到检查我们了。
- By taking a constant interest in his son's progress, he helped to keep him on the rails. 他经常关心儿子的进步，促使儿子遵守法律和习俗。
- The men hopped the rails and were on the boat . 人们跳过栏杆上了小船。
- Our teacher is all right as long as you keep on the right side of her. 只要你小心别让我们的老师生气，她还是很不错的。
- Keep your hand on the rail as you climb the steps. 上台阶时要用手扶住栏杆。
- We must keep on the right side of the captain. 我们必须和船长保持好关系。
- It's up to parents to keep their children to stay on the rails. 使孩子走上正道是做家长的责任。
- We'd better keep on the right side of him, anyhow. 不管怎样，咱们最好还是防着他一点。
- Will the Jacksons still keep on the big house? 约翰逊夫妇还会继续住在那座大房子里吗?
- There are many sharp spikes on the railings in the park. 公园的栏杆上有很多尖头。
- The rail beds well on the ballast. 铁轨在道碴上搁得很稳。
- Everyone of them was kept on the anxious seat. 他们每个人都被弄得焦急不安。
- Keep on the right side of the road. 靠马路的右边行走。
- No climbing, standing or sitting on the railings... 不准攀爬;站立或坐于栏杆上...
- He kept on the pavement because of heavy traffic. 因车辆很多,他一直在便道上站着。
- It's necessary to keep on the wonderful. 保持家庭传统美德,很有必要。
- He is keeping on the house in his hometown. 他把家乡的那所房屋保留着。
- While he dozed, Gavroche kept on the watch. 伽弗洛什一面打盹，一面张望。
- The agreement has been kept on the part of the factory. 工厂方面遵守了协议。
