brag

Even though he won the championship, he was too humble to brag about his victory.

(Chinese) 尽管他赢得了冠军，但他非常谦虚，没有炫耀自己的胜利。

It is rude to brag about how much money you have when others are struggling financially.

(Chinese) 当别人在财务上挣扎时，炫耀自己有多少钱是很不礼貌的。