Korean phrase
~ 잘 모르겠어요. ~ chal mo reu ge sseo yo
Meaning
I'm not really sure about ___
When to use it
It means that the speaker is unsure about something. It is a polite but fairly direct everyday response when the speaker lacks enough information.
Example dialogue
오늘 회식 몇 시야? o neul hoe sik myeot si ya
What time is the company dinner today?
그건 잘 모르겠어요. keu geon chal mo reu ge sseo yo
I'm not really sure about that.