小偷知道值夜人什么时候会来。当值夜人走后不会有什么危险时，他们偷了保险箱里的钱财。

The thieves knew when the night watchman would pass. When he had gone, and the coast was clear, they robbed the safe.

开始的时候我们并不认为夜间从船舱里走出来值夜是一件有趣的事情。

To move from the cabin of our raft for a night-time watch is initially displeasing.