Be out of (someone's) mind
Translation of "be out of (someone's) mind" into Russian
be out of (someone's) mind
сойти с ума
She must be out of her mind to quit her job during a recession.
Она, должно быть, сошла с ума, чтобы уволиться с работы во время рецессии.
Definitions
To behave in a way that suggests someone is crazy, irrational, or not thinking clearly; often used to express disbelief at someone's actions or ideas.