once 四级

there once was a man.

曾经有个人。

once a day.

一天一

once two is two.

一得。

a once powerful nation

曾很强盛的国家

Once one is one.

一一得一。

Once is enough for me.

对我来说一就够了。

the once capital of the nation.

该国的首都

For once he was early.

只有这一他早到了。

repeat once more .

重复一。

they deliver once a week.

他们一星期送一货。

every once in a while

偶尔, 间或

All at once it began to rain.

突然间下起雨来。

Once again the train was late.

火车又一晚点了。

The Nagual was once again blamed.

纳瓦被谴责。

She once knew him.

她识他。

to snarl a once simple problem

使本来很简单的问题发生麻烦

He was once a professional grass.

他曾是一个职业告密者。

The institution of slavery was once widespread.

奴隶制度一度广为流行。

I was absent once or twice.

我曾缺席一两。

He was once a potent ruler.

他曾经是有权势的统治者。