3) You are such a couch potato！你是一个电视迷!

couch potato：是一个口语词组。

couch -c-o-u-c-h意思是：长沙发椅！
potato 当然就是土豆的意思。

You are such a couch potato！Now it is time to finish your assignments！
该去做作业了，你这个电视迷！

Let's call it a day! 今天的节目到此结束！