잠깐 얘기 좀 하자

let's talk for a moment

→ 잠깐
phrase Uncommon #12,813
let's talk for a moment 좀 softens the suggestion. 하자 is casual, so use this with friends or people you're close to.
KO: 오늘 저녁에 잠깐 얘기 좀 하자.
EN: Let's talk for a moment this evening.