It's anybody's guess

No one knows, so anyone's guess is as good as anyone else's. A: When will the messenger be here? B: It's anybody's guess.

Name	Pronounced	Usage
Yakiv	-	Ukrainian
Serafina	se-rah-FEE-nah (Polish)	Italian, Portuguese, Spanish, Polish
Ffransis	-	Welsh
Oluwaseun	-	Western African, Yoruba
Arden	AHR-dən	English
Kekepania	-	Hawaiian