你或许不知道, 他 给你写情书的时候， 也会给我写。

你或许不知道, 他 给你写情书的时候， 也会给我写。

Results (English) 1:

You may not know that when he writes a love letter to you, he will also write to me.

Results (English) 2:

You probably don't know, and when he writes you a love letter, he writes it for me.

Results (English) 3:

You may not know that when he writes a love letter to you, he will also write it to me.