我想跟他比赛拳击，因为他从未被打败过，而我想成为第一个战胜他的人。

I'd like to fight him because he's undefeated and I want to be the first man to beat him.

《柯林斯英汉双解大词典》

他受到了伤害，但没有被打败，他仍然走在我前面。

Damaged but not defeated, he was still ahead of me.

youdao

有一天，在我第100次向他重复“不”之后，他在我自己的游戏中打败了我。

One day after I repeated "No" to him for the 100th time, he beat me at my own game.

youdao

Sorry, John. This is being taped, which is really good, isn't it?

他打网球经常打败我，这就是我不喜欢的原因？

麻省理工公开课 - 计算机科学及编程导论课程节选