I was runing so quickly.

我跑得很快。

It all happened so quickly.

一切发生得如此之快。

It seemed as if winter had come so quickly.

冬天似乎来得如此之快。

Time passes by so quickly.

时间经过得真快。

Time seems to pass so quickly.

时间过去得真快。

It happed so quickly that no one could react.

它发生得如此之快，以至于没有人能反应过来。

It's locky that we found a parking spot so quickly.

我们这么快找到停车位真是幸运的。

He never imagined he would reach stardom so quickly.

他从未想过自己会这么快达到明星地位。

How como you manage to finish the project so quickly?

你如何能这么快完成这个项目？

I can't believe that you finished the project so quickly.

我不敢相信那个项目你这么快就完成了。