frighten someone out of their wits

US /ˈfraɪtən ˈsʌmˌwʌn aʊt əv ðɛr wɪts/
UK /ˈfraɪtən ˈsʌmˌwʌn aʊt əv ðɛr wɪts/
"frighten someone out of their wits" picture
1.

肝を抜かす, ひどく怖がらせる

to make someone extremely scared or anxious

:
The sudden loud noise frightened her out of her wits.
突然の大きな音に彼女は肝を抜かれた
The ghost story frightened the children out of their wits.
その幽霊話は子供たちを肝を抜かせた