https://online2.tingclass.net/lesson/shi0529/0009/9907/891.mp3
https://image.tingclass.net/statics/js/2012
keep up appearance 注意形象，撐場面，顧全面子
You have to keep up appearance.
你必須注意一下形象。
It's stupid to spend so much money just to keep up appearance.
僅僅為了裝門面而花這么多錢是愚蠢的。
