A: Can you open the window? 

창문 좀 열어줄래?

B: Excuse me? 

뭐라고요?

A: If you don’t mind opening the window, we need some air. 

괜찮으면 창문 좀 열자고, 공기 순환이 필요해

B: Sure, I was about to. 

물론이야, 막 열려고 했어.