잠시 후

shortly

→ 잠시
phrase Rare #20,320
shortly Means after a short time or soon. 잠시 후에 is the same expression with the time-particle 에 attached, and is common in spoken Korean.
KO: 잠시 후에 다시 전화할게요.
EN: I'll call you again shortly.

잠시 후 뉴스 듣겠습니다

We’ll listen to the news shortly.

— 러브 액츄얼리 (2003)