at once

You can't be doing two things at once.

不能一心二用。

《柯林斯高阶英汉双解学习词典》

She says she must speak with you at once.

她说她必须立刻跟你谈谈。

《柯林斯高阶英汉双解学习词典》

He took off at once and headed back to the motel.

他立刻离开，回到汽车旅馆。

《柯林斯高阶英汉双解学习词典》

The audience at once greeted him warmly.

观众立即对他作出了热情的反应。

《柯林斯高阶英汉双解学习词典》

The boys all began to talk at once.

所有的男孩子们立即说起话来。

《柯林斯高阶英汉双解学习词典》

The body was too badly decomposed to be identified at once.

尸体严重腐烂，难以马上辨明身份。

《柯林斯高阶英汉双解学习词典》

All at once there was someone knocking on the door.

忽然有人敲门。

《柯林斯高阶英汉双解学习词典》

All at once, Mick's serious expression softened into a grin.

米克严肃的表情一下子变成了笑脸。

《柯林斯高阶英汉双解学习词典》

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

我得走了，我真的必须马上就走。

《柯林斯高阶英汉双解学习词典》

The receptionist recognized him at once.

接待员一眼就认出他了。

《柯林斯高阶英汉双解学习词典》

I must speak to Tania at once.

我要马上跟塔尼娅讲话。

《柯林斯高阶英汉双解学习词典》

Remove from the heat, add the parsley, toss and serve at once.

端离炉子，加上欧芹，颠起翻面后就立刻上桌。

《柯林斯高阶英汉双解学习词典》

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。

《柯林斯高阶英汉双解学习词典》

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

我马上给缪顿回信安排会面。

《柯林斯高阶英汉双解学习词典》

I feel terribly sleepy all at once.

我突然觉得特别困。

《柯林斯高阶英汉双解学习词典》