once

Once or twice she looked over her shoulder at me.

有一两次她回头看着我。

I've only been there once.

我只去过那里一次。

Try it once.

试一次。

We meet once a week.

我们每周见一次。

Say it once more.

再说一遍。

I once lived in Paris.

我曾经住在巴黎。

She was once famous.

她曾经很有名。

He once worked here.

他曾在这里工作。

This was once a forest.

这里曾经是森林。

Once upon a time...

从前……

Once the sun set, it became cold.

一旦太阳下山，天就变冷了。

Once you understand, it's easy.

一旦你理解了，就很容易。

Once he arrives, we can start.

他一到我们就可以开始。

Once you try it, you'll like it.

你一试就会喜欢的。

Once finished, hand it in.

一完成就交上来。

Once is enough.

一次就够了。

Just this once.

就这一次。

For once, he was on time.

这一次他准时了。

All at once it started raining.

突然下起雨来。

Once is too many.

一次都太多了。