英语语法分析

To his surprise he didn't feel too weak. Light-headed certainly, and with a sense of unreality, but able to walk.

令他惊讶的是，他并没有感觉太虚弱，虽然头晕，并有些不真实感，但能走路。

《柯林斯英汉双解大词典》

I had a deep felling of unreality.

我深有一种不真实的感觉。

Despite the crisis, a sense of unreality prevails.

尽管危机确已存在，但是很多人眼里却有一种虚幻感。