Our manager would like to meet you.

    我们经理想和你们见见面。

    Our manager would like to invite you to a dinner party this evening at the Beijing Roast Duck Restaurant.

    今晚我们经理想请你们去北京烤鸭店吃饭。

    We are going to give a dinner party at the Beijing Hotel this evening and would like to invite you all.

    今晚我们在北京饭店请客，请各位光临。

    If it's convenient, would you please tell your manager that he is invited.m very glad to know you.

    如果方便的话，请您转告经理一下，请他光临。

    If you are free, please come and join us.

    如果您有时间的话，请光临。