请帮忙把一句英文翻译成中文！

英文一般这么讲：
who knows？
how should i know?
god knows?
前面加ask me？
或者可以：
you ask me?that's what i wanna ask.

You ask me? But who can I ask?

已经翻译的不错了

You ask me, but to whom I ask?

You are asking me, then whom should I turn to?

ask me? but how could i know?