我哪知道你在等我？

How was I supposed to know you were waiting for me?

《牛津词典》

“那么他为什么突然感兴趣了呢？”—“我哪知道。”

"So why did he get interested all of a sudden?"— "Search me."

《柯林斯英汉双解大词典》

我哪知道，问他去。我现在在问你。

I don't know. Ask him. I'm asking you.

youdao

嘿！别让我一个人作决定呀！我哪知道啊！

Hey! Don't put me on the spot. How should I know?

youdao

我哪知道是普洱茶呢。

How could I know this is Pu 'er tea?

youdao

我哪知道？

How did I know?

youdao

我哪知道？

How did I know?

youdao