a. victorious
a. （选手或运动队）未被打败过的, 未输过的; 不败
1. The team remains undefeated after winning all their matches this season.
这个球队在本赛季赢得了所有比赛，保持不败。
2. She is undefeated in her boxing career and has won multiple championships.
她在拳击生涯中保持不败，并赢得了多个冠军。
3. The city’s basketball team is proud to be undefeated at home this year.
这座城市的篮球队很自豪今年在主场保持不败。