He left about an hour ago. 他大约一小时以前离开。

After an hour of arguing, he agreed. 经过一小时的争论，他同意了。

Why don't you get an hour's sleep? 你为什么不睡一个小时？

I've been waiting for over an hour. 我已经等了一个多小时了。

This dish takes about an hour to cook. 烹调这道菜大概需要一个小时。

It takes nearly an hour to get there by bus. 坐公共汽车到那儿大约需要一小时。

I can be there in an hour. 我能在一小时内到达那儿。

I lay awake for hours thinking about John. 我醒着躺了好长时间，一直在想着约翰的事。

She's putting in long hours at the library. 最近她在图书馆里呆的时间很长。

courses that take place outside school hours 学校课外开的课程

What are you doing out of bed at this hour (=so early or late)? 这个时候你不睡觉在干什么？

They usually hunt during the hours of darkness. 他们通常夜间打猎。

You get cars coming down here at all hours. 这儿随时都有汽车经过。

We have lived through our country's darkest hour. 我们经历了我们国家最不幸的时期。

No one had helped him in his hour of need. 在他需要帮助的时候，没有人帮过他。

The bus stops here at six minutes past the hour. 公共汽车每个整点过6分在这里停靠。