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

妇将婚礼的建议服装描述为“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，种半正式的晚装战后时尚中变得流。

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.

因为诺顿太太说个演出会一个“半正式场合”，而罗德里克是断不会为了看一个中学生演的戏而大费周章去打领带的。