한잔하시죠

shall we have a drink?

→ 한잔하다
한잔 a cup, a glass (one drink) + to do + Honorific marker + jussive ending (let’s …)
verb · jussive Rare #21,934
shall we have a drink? A polite, honorific suggestion, usually implying an alcoholic drink.
KO: 오늘 저녁에 같이 한잔하시죠.
EN: Shall we have a drink together this evening?
Conjugation of 한잔하다
Jussive
한잔하시죠

한잔하시죠

Let's have a drink.

— 마사안 (2015)

그럼 술이나 같이 한잔하시죠

Then let’s grab a drink together.

— 이키루 (1952)