your guess is as good as minespokenDON'T CARE used to tell someone that you do not know any more than they do about something 我跟你一样不知道your guess is as good as mine• "When's the next bus coming?" "Your guess is as good as mine."• "Who do you think will win the World Cup?" "Your guess is as good as mine."
→ your guess is as good as mine at guess2(2)