좀 사

buy some

→ 좀
phrase Uncommon #14,436
buy some 좀 can mean “some” or soften a request; 사 is a form of 사다, “to buy.”
KO: 과일 좀 사 와.
EN: Buy some fruit and bring it back.

내일 일할 때 좀 사 가져와야 할 것 같군요

I think I should bring some sand to work tomorrow.

— 이탈자 (1990)