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. - j1 Z2 a4 W9 a晚上的Semi-Formal * r" e: R. ^& U6 O( i女士:小礼服, 长礼服不必 $ L% t) n+ [/ o男士:深色西装, 领结,燕尾服不必。