rail

1. N-COUNT A rail is a horizontal bar attached to posts or around the edge of something as a fence or support. 栏杆

They had to walk across an emergency footbridge, holding onto a rope that served as a rail. 他们不得不抓着当作栏杆用的绳子，走过一架应急人行桥。

2. N-COUNT A rail is a horizontal bar that you hang things on. (挂物用的) 横杆

This pair of curtains will fit a rail up to 7 ft 6 in wide. 这副窗帘适合安装在宽度为7英尺6英寸的横杆上。

3. N-COUNT Rails are the steel bars which trains run on. 铁轨

The train left the rails but somehow forced its way back onto the line. 火车偏离了铁轨，但又设法回到了原来的轨道上。

4. N-UNCOUNT If you travel or send something by rail, you travel or send it on a train. 乘火车; 用火车 (运送)

The president travelled by rail to his home town. 总统乘火车回到了家乡。

5. N any of various small wading birds of the genus Rallus and related genera: family Rallidae, order Gruiformes (cranes, etc). They have short wings, long legs, and dark plumage 普通秧鸡

6. V to provide with a rail or railings 提供护栏

7. V to complain bitterly or vehemently 强烈抗议

to rail against fate

8. PHRASE If something is back on the rails, it is beginning to be successful again after a period when it almost failed. 东山再起[英国英语] [journalism]

It may take some time to get the economy back on the rails. 可能要花一些时间使经济重回正轨。

9. PHRASE If someone goes off the rails, they start to behave in a way that other people think is unacceptable or very strange, for example, they start taking drugs or breaking the law. 行为出轨[英国英语]

They've got to do something about these children because clearly they've gone off the rails. 他们必须对这些孩子采取点行动，因为很明显他们的行为已经出轨了。