nightmare

柯林斯词典

1. N-COUNT A nightmare is a very frightening dream. 惡夢
All the victims still suffered nightmares. 所有的受害者仍爲惡夢所擾。
2. N-COUNT If you refer to a situation as a nightmare, you mean that it is very frightening and unpleasant. 噩夢 (指可怕処境)
The years in prison were a nightmare. 數年的鉄窗生涯是一場噩夢。
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. 噩夢 (指惱人的情況)[強調]
Taking my son Peter to a restaurant was a nightmare. 帶我兒子彼得去飯店喫飯真是一場噩夢。

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 .