"噩梦"用英语称为"nightmare"。其来源可以追溯到古英语中的"mare"，意为"骇人的恶梦"或"马"。"night"意为"夜晚"。

例句：

I had a terrible nightmare last night. 我昨晚做了一个可怕的噩梦。

She wakes up every morning from a nightmare. 她每天早上都会醒来，梦到了一个噩梦。

His childhood was filled with nightmares. 他的童年生活充满了噩梦。