You use victorious to describe someone who has won a victory in a struggle, war, or competition.
例句
In 1978 he played for the victorious Argentinian side in the World Cup.1978年，他效力于獲得世界杯冠軍的阿根廷隊。...the three victorious allied powers: France, Britain, and the United States.3個獲勝的盟國——法國、英國和美國
英漢詞典釋義
adj.
勝利的;取勝的;凱旋的
She shook hands with her victorious opponent.她跟戰勝她的對手握手。