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
Josceline	JAHS-lin, JAHS-ə-lin	English (Rare)
Randel	-	Medieval English
Laurissa	lə-RIS-ə	English (Rare)
Viktoria	vik-TO-ree-ah (German), veek-TO-ree-yah (Russian)	German, Swedish, Norwegian, Danish, Estonian, Russian, Ukrainian, Bulgarian
Tero	TE-ro	Finnish
Adora	ah-DHO-rah	Spanish