in stitches 我们在日常生活中说道“笑”，往往会用“笑痛肚皮”或者“笑岔气”之类的表达。英国人呢？则会in stitches(笑痛胁部):stitch是“胁部刺痛”的意思。 If a joke or funny story has you in stitches, it makes you laugh a lot. (笑话或有趣的故事)令人笑岔气，让人捧腹 例： Tom had us in stitches with his jokes.