他的虚荣心在每个认识他的人看来都很明显。

His ___vanity was apparent to everyone who knew him.

我认为他对名牌和豪车的痴迷纯粹是出于虚荣。

I find his obsession with designer brands and expensive cars to be pure ___vanity.

那位政治家的演讲是对其虚荣心的尴尬展示，通篇都是自我吹捧。

The politician's speech was an embarrassing display of ___vanity, filled with self-praise.