announce/əˋnaUns; əˈnaʊns/v [T]1 to officially tell people about something so that everyone knows〔正式〕宣布﹐公布: The winner of the competition will be announced shortly. 比赛的获胜者将马上公布。+(that) A police spokesman announced that a man had been arrested. 警方发言人宣布逮捕了一名男子。2 to say something in a loud and confident way 大声宣布: +(that) Liam suddenly announced that he was leaving the band. 利亚姆突然宣布他要离开乐队。