久仰！
I've heard so much about you.
好久不見了！
Long time no see.
辛苦了！
You've had a long 've had a long flight.
尊敬的朋友們！
Distinguished/Honorable/Respected friends
閣下(多用於稱呼大使)
Your Excellency
我代表北京市政府歡迎各位朋友訪問北京。
On behalf of the Beijing Municipal government, I wish to extend our warm welcome to the friends who have come to visit
Beijing.
對您的大力協助，我謹代表北京市政府表示衷心的感謝。
On behalf of the Beijing Municipal government, i wish to express our heartfelt thanks to you for your gracious assistance.
在北京過得怎麼樣？
How are you making out in Beijing?
我一定向他轉達您的問候和邀請。
I'll surely remember you and your invitation to him.
歡迎美商來北京投資。
American businessmen are welcome to make investment in Beijing.
歡迎多提寶貴意見。
Your valuable advice is most welcome.
不虛此行!
It's a rewarding trip!
您的日程很緊,我們的會見是否就到此為止。
As you have a tight schedule, I will not take up more of your time.
請代我問候王先生。
Please remember me to .
感謝光臨！
Thank you so much for coming.
歡迎再來！
Hope you'll come again.
歡迎以後多來北京！
Hope you'll visit Beijing more often.
請留步，不用送了！
I will see myself out, please.
多保重！
Take care!