I was glad to awake from such a nightmare.

我庆幸终于从噩梦中醒来了。

I had nightmares after watching the horror movie.

我看完这部恐怖片后做了许多噩梦。

I had a nightmare about being drowned in a lake.

我做了个在湖里淹死噩梦。

The hurricane was a long nightmare.

这次飓风令人担惊受了很久。