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English definition of “your guess is as good as mine”

your guess is as good as mine

I have no way of knowing exactly what happened or what will happen: "Do you think she'd go out with me if I asked her?" "Your guess is as good as mine."
(Definition of your guess is as good as mine from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definitions of “your guess is as good as mine” in other dictionaries

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