作业变成蝴蝶飞走了老师便把蝴蝶抓来了
[zuò yè biàn chéng hú dié fēi zŏu le lăo shī biàn bă hú dié zhuā lái le]
'The Homework Became a Butterfly and Flew Away So the Teacher Caught It Back' is an imaginative way to express being caught by a teacher for unfinished homework. This conveys a humorous take on a student's creativity in explaining their absence of homework.