to decorate a storefront or figuratively enhance something (such as a resume or a room) to make it look more attractive or impressive

他在简历里加了一些虚衔，只是为了装点门面。

to maintain a superficial facade or put up a front to save face, hide a poor situation, or impress others

即便公司已经入不敷出，他依然购买豪车来装点门面。