正気を失う

しょうきをうしなう

to lose one's mind

Meanings

  1. expression, godan verb to lose one's mind; to go crazy; to lose one's senses; to lose one's marbles
  2. to lose consciousness

Its kanji

In sentences

自分じぶんでも正気しょうきを失うしなっていると思おもう。 I think I'm losing my mind. #1565001