When someone invites you for dinner, you can bring flowers, candy or a bottle of wine. Sometimes people send a thank you note to the host or hostess a few days after the event. 
有人请你吃晚餐,你可以带花,糖或者一瓶酒去。有时,人们也会在晚餐后几天发感谢信给主人或女主人。
1.A: I'd better be going. 
B: So soon? Why don't you stay a little longer? 
A: I wish I could, but it's already late. 
B: Oh, it's a shame that you have to leave. 
A: Thank you for a wonderful meal. 
B: I'm glad you enjoyed it. 
A:我要走了。
B: 这么快?为什么不多待一会儿?
A:我也想,但是已经很晚了。
B:噢,你要走真是遗憾。
A:谢谢你如此丰盛的晚餐。
B:你喜欢我很高兴。