Who are you, do you know me?

你是谁，你认识我吗？

Bonnie: How do you know me?

你怎么知道我的?。

Jn. 1:48 Nathanael said to Him, How do You know me?

约一48拿但业对他说，你怎么认识我？

The man went to the elephant beside say to the elephant: do you know me?

那人走到大象的旁边对大象说：你认识我吗？