One day , Dewey got angry at a railroad engineer because his campaign train was late for a speech .
某天，杜为参加竞选活动乘坐的火车迟到了从而耽误了演讲，杜为因此而冲一位铁路工程师发火。
An excellent example is the railroad locomotive engineer who operates a train .
一个很贴切的例子就是开火车的铁路机车工程师。
railroad engineer