정신은

as for the mind

→ 정신
phrase Rare #20,384
as for the mind 정신 means “mind” or “mental state,” and 은 is a topic marker. The phrase is often followed by a description of someone's mental condition.
KO: 그의 정신은 아주 맑아요.
EN: His mind is very clear.

정신은 멀쩡해요

I'm in my right mind.

— 그레이트 뷰티 (2013)