N-UNCOUNT 虚荣(心);自负 If you refer to someone's vanity, you are critical of them because they take great pride in their appearance or abilities. 虚荣(心);自负 [disapproval]
Men who use steroids are motivated by sheer vanity.
使用类固醇的男人纯粹是受虚荣心的驱使。
With my usual vanity, I thought he might be falling in love with me.
I've only been in love with a beer bottle and a mirrorSid Vicious
Vanity is a vital aid to nature: completely and absolutely necessary to life. It is one of nature's ways to bind you to the earthElizabeth SmartNecessary Secrets
Vanity, like murder, will outHannah CowleyThe Belle's Stratagem
Possibly, more people kill themselves and others out of hurt vanity than out of envy, jealousy, malice or desire for revengeIris MurdochThe Philosopher's Pupil
Vanity of vanities, all is vanityBible: Ecclesiastes
We are so vain that we even care for the opinion of those we don't care forMarie von Ebner-Eschenbach