The couple described the suggested clothing for the event as, " dive bar semiformal."

这对夫妇将婚礼的建议服装“潜水酒吧半正装”。

This type of semiformal evening garment became prevalent in post-war fashion when the concept of the cocktail hour was especially popular.

当鸡尾酒时间的概念特别流时，这种半正式的晚装在战后时尚中变得流。

Mrs. Norton said the play is going to be a “semiformal occasion, ” and I know there's no way Rodrick is going to wear a tie for a middle school play.

顿太太说这个演出会安排在一个“半正式场合”，而罗德里克是断不会了看一个中学生演的戏而大费周章去打领带的。