A harrowing experience.
The train crash was a harrowing experience for everyone involved.
I don't think I could live through such a harrowing event again.
Because of her harrowing experience on an out-of-control roller coaster, Julia refuses to step foot in an amusement park.
Emma teared up watching the harrowing scenes of the holocaust documentary.
No matter how hard I try, I cannot get the harrowing images of the attack out of my head.