He blew out the candle in one breath.

他用一口气吹灭蜡烛。

She ran five kilometers in one breath.

她一口气跑完了五公里。

He drank the whole bottle in one breath.

他一口气喝完了整瓶水。

We watched the entire movie in one breath.

我们一口气看完了这部电影。

He recited the entire passage in one breath.

他一口气背出了整篇文章。

They finished all their homework in one breath.

他们一口气完成了所有的作业。

If you blow all of it off in one breath, your wish will come true!

如果你一口气把这一切都吹走，你的愿望就会实现！

In one breath? That's not true.

一口气？谁说的？

Several students made the request in one breath.

好几个学生同时提出这个要求。

In one breath Xiangzi ran all the way out of Xizhimen Gate.

祥子一气跑到西直门外.