I don't know why the car won't start; your guess is as good as mine
Who do you think will win the championship? Honestly, your guess is as good as mine
She's been acting strangely lately, and your guess is as good as mine as to why
We're not sure when the project will be finished. Your guess is as good as mine
He never tells me what he's planning. Your guess is as good as mine about his next move
Will it rain tomorrow? Your guess is as good as mine; the forecast is unclear
I have no idea where they went after the party. Your guess is as good as mine
What's the secret to their success? Your guess is as good as mine
When will the train arrive? Your guess is as good as mine, it's already late
Are they going to accept our offer? Your guess is as good as mine at this point
Did you see that strange light in the sky?
No, what was it? Your guess is as good as mine.
I have no idea. It just vanished.
I don't know, your guess is as good as mine
I have no idea what will happen next
The outcome is completely unknown to me