我想知道我是否有荣幸成为你的笔友。

I want/ would like to know if I would have the pleasure of becoming your penfriend? have the pleasure of doing sth.也有很荣幸做什么事的意思. eg: However,up to the present writing ,I have not had the pleasure of hearing from you. 然而,迄今为止,未见贵方赐复. 商务英语中,对方未回信,就可以这么写.