It began to rain heavily when the train arrived.

火车到达时开始下起了大雨。

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But few can imagine that it all began with a boy, a train and a vibrating window.

但是很少人能够想象，它从一个男孩、一辆货车和一扇振动的窗户开始。

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It was still well before Shakespeare's time that "train" began to apply to a connected series of events or a line of some kind.

在莎士比亚时期之前很久，train开始指代一系列相关事件或一列类似物品。

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It began as a low rumble, I thought it was a train or large machine on the road at first, but when the whole house began to shake I realised it could only be an earthquake or perhaps a large plane crash.

BBC: Cumbria quake: Your comments

This is what New York's Metropolitan Transportation Authority found after it began installing digital clocks to display the number of minutes before the next subway train would arrive on the platform.

WSJ: The Wait-Time Misery Index