I have to go, I really must, at once.

From childhood, he was evidently at once rebellious and precocious.

从儿时起，他就明显地既叛逆又早熟。

I wrote back to Meudon at once to fix up a meeting.

我马上给缪顿回信安排会面。

All the cars were jammed together at one end of the bridge.

所有车辆都挤在桥的一头.

The executioner cut off his head at one blow.

刽子手一刀就把他的头砍了.

He became very depressed and even got suicidal at one point.

他变得十分消沉,甚至一度想自杀.

They smiled uncertainly at one another.

他们犹豫地相视而笑。

At one o'clock the rain had ceased.

一点时，雨已停了。

Promptly at one, luncheon was served.

午饭一到一点钟就上桌了。

At one stage his very life was in danger.

他的生命都曾一度处于危险之中。

All the prisoners escaped at one stroke.

所有的囚犯突然全逃了.

His achievements were blotted out at one stroke.

他的功绩被一笔抹杀.

He changed things at one stroke.

他一举改变了形势.

He achieved two things at one stroke by doing things this way.

他这么做一箭双雕.

They expected to wipe out the Red Army at one stroke.

他们认为可以一举把红军消灭掉.

Stop playing with the idea of accomplishing the task at one stroke.

别妄想毕其功于一役.

Blockhead! He should know it's impossible to make it at one stroke.

笨蛋! 他应该知道一蹴可及是不可能的.

The smoke choked the joking stroker at one stroke.

烟一下呛住了开玩笑的抚摸者.

Xu You: Does General want to defeat Yuan Shao at one stroke?

曹操: 许将军,请坐,我正需要你的帮助.

They intended to devastate the town at one stroke.

他们企图一举摧毁全城.

At one stroke he swept from linguistics all the apparatus of introspectionist psychology.

他一举扫除了语言学中所有内省心理学内容的影响.