一些朋友牵线搭桥，把我们两个都请去赴宴。Some friends played matchmaker and had us both over to dinner.你们不必特意盛装赴宴。You do not need to dress up for dinner.我们这儿赴宴不穿礼服。We don't dress for dinner here....

“赴宴”的英语可以翻译为：attend a banquet ...