时间一小时一小时地过去了，但他仍然睡得像死人一样。

Hour after hour slipped away, and still he slept like the dead.

youdao

我一小时一小时地在自习室里面学习。

I studied for the full hour during a study hall.

youdao

他们喜欢绕着房间一小时又一小时地行进。

They enjoyed marching around the room hour after hour.

youdao

博比坐着一小时又一小时地看着连环画。

Bobby sat reading his comics by the hour.

youdao

但是，雪飘然而下，悄悄地，一小时又一小时，而我们是睡着的。

But it flutters down, soundless, hour after hour while we are asleep.

youdao

你一小时一小时、一天又一天地飞去；

First the hour, and then the day;

youdao

你一小时一小时、一天又一天地飞去；

First the hour, and then the day;

youdao