в здравом уме

in one's right mind

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phrase Rare #33,211
in one's right mind Used to say someone is sane or thinking clearly, often in questions or negatives.
RU: Ты в здравом уме?
EN: Are you in your right mind?

Я думаю, что Том в здравом уме.

I think Tom is sane.

Мой дед до сих пор в здравом уме и в добром здравии.

My grandfather is still in his right mind and in good health.

Кто в здравом уме сделал бы такое?

Who in their right mind would do such a thing?

Я в здравом уме, поверь мне.

I'm sane, believe me.

— Солярис (1972)