婉拒邀宴函

November 3, 2005
Dear Fred,
I am very grateful for your invitation to your wife’s birthday party. Unfortunately, I have another engagement for that evening, so regrettably I must decline. Please give my best regards to your wife.
Sincerely,
Jason

亲爱的佛瑞德：
非常谢谢你邀请我去参加你太太的生日派对。但不巧地是，那天晚上我另外有个约会，因此，很遗憾我就不能去了。请代向嫂夫人问候。
杰森　敬上
2005年11月3日

字词解说：

1.grateful 感激的

becgrateful to sb for sth 因某事而感激某人

we are very grateful to her for her help

2.unfortunately 不幸地

3.engagement 约会

4.regrettably 遗憾地