I feel as if I had waken from a nightmare.

我觉得好像刚从噩梦中醒来。

youdao

When we awaken, we realize there never was such a thing. And in the same way, when we a waken from this waking state, we see that the whole thing was a dream and never really was.

当我们从这个醒着的状态中觉醒过来，我们看到这整个的事件是一个从来没有真实存在过的梦。

youdao