'It's none of your business,' the young man said rudely.

“不关你的事，”那男的毫不客气地说，

He started to complain about this wicked world but was interrupted by a knock at the door.

他开始抱怨起这个邪恶的世道来，却被一阵敲门声打断了。

The woman first bought a few small articles.

这位妇女先是买了几样小商品。

When she caught up with them, she saw that they had sat down and were going through the contents of the bag,

当她赶上他们时，发现他们已经坐了下来，正翻着包里的东西。

Nothing could have been more annoying.

没有什么能比这更烦人了。

This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.

因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。