anyone's guess

Something that no one knows for sure, as in Will it rain next Sunday? That's anyone's guess. [Mid-1900s] Also see your guess is as good as mine.

Name	Pronounced	Usage
Erlantz	-	Basque
Sunday	SUN-day	English
Kornelija	-	Croatian, Serbian
Conleth	-	Irish
Alya	-	Arabic, Indonesian, Malay
Cheek	[tʃi:k]