black-tie
Longman Dictionary of Contemporary English 5++LDOCE 5++ˌblack-ˈtie adjective DCCa black-tie event is one at which people wear special formal clothes, such as tuxedos for men 〔社交场合〕要求穿晚礼服的 → white-tie
Examples from the Corpus
black-tie• About 1,500 people at the black-tie affair greeted Clinton with an ovation as he approached the podium.• Evening meals were black-tie affairs attended by selected officers.• The Democratic mayor has thrown block parties for the masses and black-tie affairs for the elite.• a black-tie dinner• Marshall set only one condition on his gift: No black-tie dinners in his honor.• A tent worthy of Barnum & Bailey contained an assortment of black-tie outfits worthy of Fortune magazine.• So the entire black-tie party for 1,500.ˌblack-ˈtie adjectiveChineseSyllable
Corpus wear a formal event black-tie at people is special one which
black-tie
ˌblack-ˈtie
adjective
a black-tie event is one at which people wear special formal clothes, such as tuxedos for men
⇨ white-tie
ˌblack-ˈtie
adjectivea black-tie event is one at which people wear special formal clothes, such as tuxedos for men
⇨ white-tie