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》

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。

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Chloe studies these tickets with a sense of unreality, as if she is watching herself on a movie set, frowning for the camera.

克罗伊盯着这两张票，竟生出一种不真实感来，仿佛看着她自己在一出戏里，正对着摄像机发愁。

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From the start there has been a sense of unreality about Indonesia's new policy for East Timor.

ECONOMIST: East Timor, adrift and violent | The

Despite the crisis, a sense of unreality prevails.

ECONOMIST: The Hungarian prime minister