fall about
US /fɔːl əˈbaʊt/
UK /fɔːl əˈbaʊt/

短语动词
1.
笑得前仰后合, 笑得打跌
to laugh uncontrollably
示例:
•
The comedian was so funny, we were all falling about.
那个喜剧演员太好笑了,我们都笑得前仰后合。
•
Every time he told that joke, people would just fall about.
每次他讲那个笑话,人们都会笑得前仰后合。
在 Lingoland 学习这个单词