nightmare

柯林斯词典

1. N-COUNT A nightmare is a very frightening dream. 恶梦
All the victims still suffered nightmares. 所有的受害者仍为恶梦所扰。
2. N-COUNT If you refer to a situation as a nightmare, you mean that it is very frightening and unpleasant. 噩梦 (指可怕处境)
The years in prison were a nightmare. 数年的铁窗生涯是一场噩梦。
3. N-COUNT If you refer to a situation as a nightmare, you are saying in a very emphatic way that it is irritating because it causes you a lot of trouble. 噩梦 (指恼人的情况)[强调]
Taking my son Peter to a restaurant was a nightmare. 带我儿子彼得去饭店吃饭真是一场噩梦。

LeFanu suffered all his life from a recurrent nightmare that he was trapped in a falling house .
Strange dreams and nightmares oppressed him.
Working there was like being trapped in a nightmare.
I had a terrible nightmare last night .
Nightmares may occur in times of severe tension .