in stitches
US /ɪn ˈstɪtʃɪz/
UK /ɪn ˈstɪtʃɪz/

1.
捧腹大笑, 笑得前仰后合
laughing uncontrollably; in a state of extreme amusement
:
•
The comedian had the entire audience in stitches with his jokes.
这位喜剧演员的笑话让全场观众捧腹大笑。
•
We were all in stitches watching the blooper reel.
我们看花絮的时候都笑得前仰后合。