VERB
（在某一活动上）超过，胜过，比…干得好
If you outdo someone, you are a lot more successful than they are at a particular activity.
例句
It was important for me to outdo them, to feel better than they were...
超过他们，感到自己比他们更优秀，这点对我来说很重要。
Both sides have tried to outdo each other to show how tough they can be.
双方各不相让，都想显示自己有多么厉害。