adj.自负的，自命不凡的，自吹自擂的

He was vainglorious about his achievements, constantly boasting of his victories.
他对他自己的成就洋洋得意，总是炫耀他的胜利。
The vainglorious general loved to hear the adulation of his soldiers, but his arrogance led to their defeat.
这位虚荣的将军喜欢听士兵们的颂扬，但他的傲慢导致了他们的失败。
The vainglorious actor believed himself to be the greatest talent in Hollywood, though critics disagreed.
那位自负的演员自认为是好莱坞最伟大的天才，尽管评论家并不这么看。
Despite her vainglorious display of wealth, she lived paycheck to paycheck.
尽管她表面上显摆着富贵，但实际上她过的是月光族的生活。
His vainglorious personality made it hard for others to work with him, as he always thought he knew best.
他那自负的性格使得其他人很难与他共事，因为他总是以为自己是对的。
The vainglorious king ordered grandiose monuments built to celebrate his own glory, neglecting the needs of his people.
这位自负的国王下令建造宏大的纪念碑来庆祝自己的荣耀，却忽视了他的人民的需求。
In his vainglorious quest for power, the politician forgot about the promises he had made to his constituents.
在他追求权力的虚荣心驱使下，这位政客忘记了他曾对选民作出的承诺。
The vainglorious athlete couldn't handle losing and would often make excuses when defeated.
这位自负的运动员无法接受失败，每次输掉比赛时总会找借口。
The vainglorious investor wrongly assumed that his stock portfolio could never fail, leading to massive financial losses.
那位自负的投资者错误地认为他的股票组合永远不会失败，结果导致了巨额的财务损失。
Despite the team's repeated failures, the vainglorious coach continued to predict championships and bask in his perceived greatness.
尽管球队屡次失利，但这位自负的教练仍然继续预测他们会赢得冠军，并陶醉于自己想象中的伟大之中。