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
Quim	-	Portuguese, Catalan
Michol	-	Biblical Latin
Althea	-	Greek Mythology (Latinized)
&Aelig;Lfstan	-	Anglo-Saxon
Reneer	rə-NAYR	Limburgish
Galen	GAY-lən	English