anyone's guess

1. 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.

Example Sentences

It’s anyone’s guess which agreement will hold.

From Los Angeles Times

Whether this collaboration with Lanthimos will land Stone another Oscar is anyone’s guess, but it’ll be prudent to have your opinion in early.

From Salon

Where this ends is anyone’s guess.

From Salon

Whether the arrival of her cubs will stanch the bear’s wanderlust is anyone’s guess.

From Los Angeles Times

Today, Harris would be more likely to launch a podcast — but whether it will catch on nationally is anyone’s guess.

From Los Angeles Times