n. a situation resembling a terrifying dream
n. a terrifying or deeply upsetting dream
n. 梦魇, 恶梦, 可怕的事物(或情景、人物)
[医] 梦魇, 恶梦
1. I had a nightmare about being lost in a dark forest.
我做了一个噩梦，梦见自己在黑暗的森林里迷路了。
2. She woke up screaming after having a nightmare.
她做了个噩梦，醒来时尖叫不止。
3. Sometimes, watching scary movies can lead to nightmares.
有时候，观看恐怖电影会导致噩梦。