out of one's mind
01
正気でない, 非常識
(of a person) extremely unreasonable, or mentally ill
idiom
informal
例
You must be out of your mind if you think I'll lend you money after what happened last time.
正気でない人だけがあの危険なスタントを試すだろう。
02
used to refer to someone who is so stressed, angry, or confused that they are unable to behave normally or make any logical decisions
例
The constant stress drove him out of his mind.
