我哪知道你在等我？

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

《牛津词典》

非常抱歉，我不知道你在等我。

I'm extremely sorry. I didn't know you were waiting.

youdao

非常抱歉，我不知道你在等我。

I'm extremely sorry. I didn't know you were waiting.

youdao