fall about phrasal verbphr v British EnglishBrE LAUGHto laugh a lot about something 捧腹大笑 It was so funny everyone just fell about laughing. 太滑稽了,所有人都捧腹大笑。
fall about• When we heard the news, we just fell about!• When they saw what their father had done, they both fell about laughing.
fell about laughing• He fell about laughing when his agent phoned him with this news.
→ fall about at fall1(PHRASAL VERB)