뜸을 들여요 · 뜸을 들였어요 · 뜸 들이지 말고
to hesitate before speaking; to keep someone in suspense; (cooking) to let rice steam
Example
뜸을 들이지 말고 결과를 빨리 말해 주세요.
Stop stalling and tell me the results already.
Word parts
From cooking: letting rice sit and steam after boiling before you open the lid.
Good to know
뜸 들이지 말고 = 'don't keep me in suspense' — very common in casual speech.