久仰！ 
　　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.Youve 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。