nightmare
It was just a nightmare.
This is a nightmare.
It was just a nightmare.
Me siento como si hubiera despertado de una pesadilla.
I feel like I’ve just woken up from a nightmare.
La juventud es un sueño y la vejez una pesadilla.
Youth is a dream and old age a nightmare.
Tom tuvo una pesadilla anoche.
Tom had a nightmare last night.