虚荣心

jí dù xū róng xīn

极度虚荣心

vainglory

jī qǐ xū róng xīn

激起虚荣心

pique somebody's vanity

yǎn gài xū róng xīn

掩盖虚荣心

conceal one's vanity

lì yòng mǒu rén xū róng xīn

利用某人虚荣心

use somebody's vanity

wǒ rèn wéi xū róng xīn shì fú lán kè de zhì mìng ruò diǎn

我认为虚荣心是弗兰克的致命弱点。

I think Frank’s vanity is his Achilles' heel.