他极其虚荣。

He's terribly ___vain.

男人是虚荣的生物，他们可能过分担心美貌以及与社会设定的美貌标准保持一致。

Men are ___vain creatures who worry, maybe excessively, about beauty and keeping up with standards of beauty set by society.

她会在镜子前花上好几个小时，虚荣到不把头发和妆容弄完美就不出门。

She spends hours in front of the mirror, too ___vain to leave the house without perfect hair and makeup.