臭美的英文可以翻译为 "vain" 或 "conceited"。这两个词都有类似的含义，都指一个人过分地自恋或自负，并且为了炫耀自己而不断炫耀自己的外表或成就。

这两个词都来源于拉丁语，"vain" 来源于 "vanus"，意为 "无价值的" 或 "空的"，而 "conceited" 来源于 "concipit"，意为 "拥有" 或 "占有"。

下面是一些例句：

He is so vain that he always checks himself in the mirror before going out. 他太臭美了，出门前总要照镜子。

She is so conceited that she thinks she is better than everyone else. 她太臭美了，觉得自己比别人都好。

He is too vain to admit his mistakes. 他太臭美了，不肯承认自己的错误。

She is so conceited that she always brags about her achievements. 她太臭美了，总是吹嘘自己的成就。