I've heard so much about you.

　　好久不见了！

　　Long time no see.

　　辛苦了！

　　You've had a long day.You've had a long flight.

　　尊敬的朋友们！

　　Distinguished/Honorable/Respected friends

　　阁下（多用于称呼大使）

　　Your Excellency

　　我代表北京市政府欢迎各位朋友访问北京。

　　On behalf of the Beijing Municipal government, I wish to extend our warm welcome to the friends who have come to visit Beijing.

　　对您的大力协助，我谨代表北京市政府表示衷心的感谢。

　　On behalf of the Beijing Municipal government, i wish to express our heartfelt thanks to you for your gracious assistance.

　　在北京过得怎么样？

　　How are you making out in Beijing?

　　我一定向他转达您的问候和邀请。

　　I'll surely remember you and your invitation to him.

　　欢迎美商来北京投资。

　　American businessmen are welcome to make investment in Beijing.

　　欢迎多提宝贵意见。

　　Your valuable advice is most welcome.

　　不虚此行!

　　It's a rewarding trip!

　　您的日程很紧,我们的会见是否就到此为止。

　　As you have a tight schedule, I will not take up more of your time.

　　请代我问候王先生。

　　Please remember me to Mr.Wang.

　　感谢光临！

　　Thank you so much for coming.

　　欢迎再来！

　　Hope you'll come again.

　　欢迎以后多来北京！

　　Hope you'll visit Beijing more often.

　　请留步，不用送了！

　　I will see myself out, please.

　　多保重！

　　Take care!

　　祝您一路平安！

　　Have a nice trip!

　　愿为您效劳！

　　At your service!

　　为…举行宴会/宴请

　　Host a dinner/banquet/luncheon in honor of …

　　欢迎宴会

　　Welcome dinner

　　便宴

　　Informal dinner

　　午宴（附有情况介绍或专题演讲等内容）

　　Luncheon

　　便餐

　　Light meal

　　工作午餐

　　Working luncheon

　　自助餐

　　Buffet dinner/luncheon

　　答谢宴会

　　Return dinner

　　告别宴会

　　Farewell dinner

　　庆功宴

　　Glee feast

　　招待会

　　Reception

　　鸡尾酒会

　　Cocktail party

　　茶话会

　　Tea party

　　包餐/点餐