뇌를

brain

→ 뇌
phrase Rare #25,366
brain 뇌 means “brain,” and 를 marks it as the object of the verb. Depending on context, it can mean “the brain” or “your brain.”
KO: 의사는 환자의 뇌를 검사했어요.
EN: The doctor examined the patient's brain.

자신의 뇌를 인간 따윈 없어.

No human has ever seen his own brain.

— 공각기동대 (1995)

뇌를.

The brain.

— 조조 래빗 (2019)