Korean phrase
뭐 하세요? mwo ha se yo
Meaning
What are you doing?
When to use it
This politely asks what someone is doing now. It is natural in a call or message when checking whether they are available.
Example dialogue
지금 뭐 하세요? chi geum mwo ha se yo
What are you doing now?
지하철이에요. 곧 도착해요. chi ha cheo ri e yo kot to cha kae yo
I'm on the subway. I'll arrive soon.