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
Floy	[flɔi]
Svanhild	-	Norwegian, Norse Mythology
Mirella	mee-REL-lah	Italian
Ognjen	-	Croatian, Serbian
Quirinus	kwi-RIEN-əs (English), kwi-REEN-əs (English)	Roman Mythology, Late Roman
Nahor	NAY-hawr (English)	Biblical