your guess is as good as mine

US /jʊər ɡɛs ɪz æz ɡʊd æz maɪn/
UK /jʊər ɡɛs ɪz æz ɡʊd æz maɪn/
"your guess is as good as mine" picture
1.

deine Vermutung ist so gut wie meine, ich weiß es auch nicht

used to say that you do not know the answer to a question, or do not know what is happening, for the same reason as the person asking

:
Why did he leave so suddenly? Your guess is as good as mine.
Warum ist er so plötzlich gegangen? Deine Vermutung ist so gut wie meine.
When will the new policy be implemented? Your guess is as good as mine.
Wann wird die neue Richtlinie umgesetzt? Deine Vermutung ist so gut wie meine.