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
Aspinwall	['æspinwɔ:]
Ernie	UR-nee	English
Dayna	DAY-nə	English
Takis	-	Greek
Bambang	BAHM-bahng	Indonesian, Javanese
Nnamdi	-	Western African, Igbo