frighten someone out of their wits
US /ˈfraɪtən ˈsʌmˌwʌn aʊt əv ðɛr wɪts/
UK /ˈfraɪtən ˈsʌmˌwʌn aʊt əv ðɛr wɪts/

1.
把某人吓得魂飞魄散, 把某人吓得六神无主
to make someone extremely scared or anxious
:
•
The sudden loud noise frightened her out of her wits.
突如其来的巨响把她吓得魂飞魄散。
•
The ghost story frightened the children out of their wits.
那个鬼故事把孩子们吓得魂不附体。