The doctor decided to operate at once.

医生决定刻动手术。

Get him on the blower at once!

马上打个电话给他！

All at once it began to rain.

突然间下起雨来。

He altered his face all at once.

他突然变了脸。

He figured the whole scheme at once.

他马上就懂得了整个计划。

I advise you to own up at once.

我劝你即坦白。

The president fastened on the idea at once.

即拿定了这个主意。

She is hellbent on starting it at once.

她不顾一切地要刻始这件事。

I can't be in two places at once.

我不能同时在两个地方。

It is expedient that he should retire at once.

他最好刻退休。

Regarding John, I will write to him at once.

至于约翰, 我将即给他写信。

He lacked the agility to righten himself at once.

他缺乏即恢复正常的机敏性。

I took the hint and left at once.

我领会了暗示即离了。

Mistakes in the printing should be pointed out at once.

印刷上的错误应即予以指出。

As regards John, I will write to him at once.

至于约翰, 我会即给他去信。

As regards Luther,I will write to him at once.

至于卢瑟,我会即给他去信。

They set off at once along the lane in pursuit.

他们即出发沿着小巷追赶。

The committee judged it better to start the work at once.

委员会认为最好即始这项工作。

I don't want ifs and buts; swallow your medicine at once.

我可不听你泡蘑菇, 马上吞下你的药。

I don't want any ifs and buts; do it at once.

"我不想听任何要推延的理由,刻干吧。"