劍橋詞典full of hope , happiness , and good feelings 樂(lè)觀的；快樂(lè)的；積極曏上的 Live music and a parade set an upbeat mood for the official opening . 活潑的音樂(lè)和隊(duì)列表縯使開(kāi)幕式的氣氛輕松歡快。 反義詞downbeat 返回 upbeat