hubris

他的狂妄自大导致他无视警告，最终付出了惨重代价。

His ___hubris made him ignore all warnings, and he paid a heavy price in the end.

创始人的狂妄自大让他相信公司太大不会倒闭，最终导致了破产。

The founder's ___hubris convinced him the company was too big to fail, leading to its bankruptcy.

冠军的傲慢让他疏于训练，结果一个新人夺走了他的头衔。

The champion's ___hubris led him to skip training, and a newcomer took his title.