Perhaps I'm still dreaming, I said to myself.

我心中暗想，可能我仍在做梦吧。

《柯林斯英汉双解大词典》

What boat? Are you still dreaming?

什么船啊？你是不是做梦了？

youdao

I'm still dreaming.

我依然是在做梦。

youdao

Are we still dreaming big dreams in America?

WHITEHOUSE: Remarks by the President at a DNC Event

Belamant is still dreaming big.

FORBES: Great Expectations

If I did fall on my face, I am obviously still concussed and dreaming.

BBC: The trainee