안 되오

can't; not allowed

→ 안
phrase Rare #20,829
can't; not allowed An old-fashioned or formal-sounding way to say something cannot or must not be done.
KO: 여기서 담배를 피우면 안 되오.
EN: You must not smoke here.

가면 안 되오

You must not go.

— 천녀유혼 (1987)

지금은 안 되오

It won't work right now.

— 이중 배상 (1944)

흥정은 안 되오.

No haggling.

성 안은 별 문제 안 되오

There shouldn't be any major problems inside the castle.

— 와호장룡 (2000)