报告老师大事不好了作业变成蝴蝶飞走了
[bào gào lăo shī dà shì bù hăo le zuò yè biàn chéng hú dié fēi zŏu le]
Translated as 'Teacher, It's Not Good News - My Homework Turned Into Butterflies And Flew Away!' This playful excuse humorously attempts to explain missing homework creatively and light-heartedly.