술이야

it's alcohol

→ 술
phrase Rare #23,133
it's alcohol Informal form of 술이다. Depending on context, 술 can mean alcohol, liquor, or an alcoholic drink.
KO: 이건 맥주가 아니라 술이야.
EN: This isn't beer; it's liquor.

자네가 좋아하는 술 이야

This is the drink you like.

— 무인 곽원갑 (2006)

갑자기 술 이야?

Why are you drinking all of a sudden?

— 패왕별희 (1993)

아니, 술 이야, !

No, it's alcohol, alcohol!

— 햄넷 (2025)

술 이야

It's alcohol.

— 거울 (1975)