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. 3 w8 a1 E& A) f( Z" M5 B2 U/ z晚上的Semi-Formal / k7 M, B( Z( g8 m. Y, I女士:小礼服, 长礼服不必 " f' R1 s0 _5 X# s男士:深色西装, 领结,燕尾服不必。