Definition
A connected sequence of thoughts or a series of events.
一连串相关的想法或事件。
I was trying to follow his train of thought, but he was jumping around too quickly.
我试图跟上他的思路，但他跳得太快了。
The company's failure was the result of a train of unfortunate events.
公司的失败是一连串不幸事件的结果。
She tried to trace back her train of thought to see where she missed a step, but her thoughts had been interrupted.
她试图追溯自己的思路，看看哪里漏掉了一步，但她的思绪被打断了。