生日宴会

 　　Bob has always been a great boss,and I'm sure everybody agrees with me.I have never met a person who is as understanding and patient as Bob.

　　We have thrown this birthday party not only to celebrate your fourty-fifth birthday,Bob,but,more importantly,to express our gratitude¹ for your thoughtful² leadership.We all want to say "thank you" to you.

　　It is really wonderful for all of us to grow older together and work together under Bob's leadership.And I'm sure Bob will also take the leadership in "staying young".

　　Happy birthday,Bob,and many more happy returns!

1 gratitude   

adj.感激，感谢

参考例句：

• I have expressed the depth of my gratitude to him.我向他表示了深切的谢意。
• She could not help her tears of gratitude rolling down her face.她感激的泪珠禁不住沿着面颊流了下来。

2 thoughtful   

adj.思考的，沉思的，体贴的，关心的

参考例句：

• She is thoughtful for her friends.她很体贴她的朋友们。
• This is a thoughtful essay.这是一篇具有思想性的随笔。