scare someone out of their wits

Verb

informal transitive

(transitive, informal) To frighten someone to such an extent that they behave irrationally.

Japanese Meaning

誰かをあまりにも怖がらせ、正気や理性を失わせるほどの恐怖に陥らせる / 極度の恐怖で、通常の判断や行動ができなくなるようにする

That haunted house is designed to scare someone out of their wits.

そのお化け屋敷は人を肝を冷やすほど怖がらせるように設計されている。

Sense（1）

(transitive, informal) To frighten someone to such an extent that they behave irrationally.

He scared me out of my wits, sneaking up behind me in the dark like that.

scares someone out of their wits

（ present singular third-person ）

scaring someone out of their wits

（ participle present ）

scared someone out of their wits

（ participle past ）

scared someone out of their wits

（ past ）