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
Nehemiah	nee-hə-MIE-ə (English)	Biblical
Kirils	-	Latvian
Julitta	-	History
Amalric	AM-əl-rik (English), ə-MAL-rik (English)	Ancient Germanic
Muhammet	-	Turkish
SÁMuel	-	Hungarian