scare the life out of someone (誰かの命を怖がらせる)

Idiom Fear

意味

to frighten someone very badly

誰かを非常に怖がらせる (dareka o hijō ni kowagarasero)

例文

"That horror movie scared the life out of me."

"そのホラー映画は私を怖がらせた。" (sono horā eiga wa watashi o kowagaraseta)