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 u$ ^8 m5 [) ~5 J% c1 D' @8 f晚上的Semi-Formal 9 Z1 _+ @" Y$ t4 R x女士:小礼服, 长礼服不必 * i x0 T5 `- G1 z男士:深色西装, 领结,燕尾服不必。