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 e! M% r% i+ _/ T晚上的Semi-Formal ' N8 U3 o8 L8 v* l: |' p" o2 h1 o女士:小礼服, 长礼服不必 * }, f/ w8 z9 p* i男士:深色西装, 领结,燕尾服不必。