"He is doing the housework of sweeping the floor at home this weekend" 可以用来描述他周末在家拖地的情况。
这个表达的来源可能源于日常生活中的常见场景。在英语中，"doing housework" 通常指的是在家做家务，包括打扫卫生、洗衣服、做饭等。"Sweeping the floor" 是其中的一项常见任务。
下面是一些例句，其中包括了 "doing housework" 和 "sweeping the floor" 的用法：
I hate doing housework, but someone has to do it. (我讨厌做家务，但总得有人来做。)
My mom always makes me do the housework on the weekends. (我妈妈总是让我在周末做家务。)
I spent the whole day doing housework and now I'm exhausted. (我整天都在做家务，现在我累死了。)
I just swept the floor and now it's all clean. (我刚刚拖了地，现在地面都干净了。)
Can you help me sweep the floor? I can't reach the corners. (你能帮我拖地吗？我到不了角落。)