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
Heath	HEETH	English
Joey	JO-ee	English
Sridevi	-	Indian, Telugu, Tamil
Ashlee	ASH-lee	English (Modern)
Azaria	-	Biblical
KrzyŚ	KZHISH	Polish