求翻译：昨天早上，我下课的时候在和一位同学讲笑话。上课的时候我就认真的听，下课了我就回家写作业了。写好了作业，我就开始看电视。是什么意思？

Yesterday morning I class and one student jokes. Class I seriously listening to, I go home and write down the class. Written homework, I began to watch TV.