Underproper
vt. 从下面支撑；支持；维持：
🗣️ 情景例句
Grandpa!
爷爷！
Jeff will lose face if his friend fails to work hard.
杰夫因他的朋友不肯勤奋工作而丢了面子。
I have never seen the movie.
我从未看过那部电影。