After spotting a wallet on the front seat inside a parked car with its window down, he stood guard in the rain for about two hours waiting for the owner to return.

他透过摇下的车窗，在一辆停着的车的前座上发现了一个钱包，于是在雨中守了大约两个小时，等待车主回来。

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At that point the guard blew the whistle, so I closed the carriage-door window and the train pulled away.

正当这时，警卫员吹响了汽笛，我就关上了车厢门上的窗门，火车刚好启动了。

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Just then a security guard standing by a window sees it.

就在这时，站在窗旁的保安见到了。

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But the least they could do is rattle a window, shake a fist at a guard, show some interest.

ECONOMIST: Bagehot

So for a very small window of time, only unarmed cargo workers would guard the jewels.

CNN: Diamond heists are forever