Definition
to be unable to stop laughing uncontrollably
大笑不已；笑倾身躯
His joke had everyone falling about with laughter.
他的笑話讓每個人都笑得人仰馬翻。
Her travel stories had her friends falling about in stitches.
她的旅行故事讓她的朋友們笑得前仰後合。
The comedy film had the audience falling about the whole time.
這部喜劇電影讓觀眾從頭笑到尾。