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
Diederich	DEE-de-rikh	German (Archaic)
NezİHe	-	Turkish
Mentor	-	Greek Mythology
Chinweike	-	Western African, Igbo
Dado (2)	-	Croatian
Lalita	-	Hinduism, Indian, Hindi, Marathi