Semi-Formal or After Five means that tuxes are not required, nor are long dresses. An evening wedding (after 6 PM) would still dictate dark suits for him, and a cocktail dress for her. Daytime semi-formal events mean a suit for him and an appropriate short dress or dressy suit for her. 0 y5 p5 B+ {2 _2 V晚上的Semi-Formal , X) |4 Z' ?6 C9 F7 O, V' p* I女士:小礼服, 长礼服不必 ! O7 H: e5 A: S男士:深色西装, 领结,燕尾服不必。