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. 9 ~, Y# j* u* ?- G晚上的Semi-Formal 5 `2 r7 u* P, z3 _6 p( U( b8 U女士:小礼服, 长礼服不必 9 P0 x l4 N( u9 F男士:深色西装, 领结,燕尾服不必。