打扫地板的英文表达方式有几种：

clean the floor
sweep the floor
mop the floor
scrub the floor

其中，"clean" 是指整理或清扫，"sweep" 是指用扫帚扫除灰尘，"mop" 是指用拖把清扫地板，"scrub" 是指用刷子或肥皂水擦洗地板。

例句：

Please clean the floor before you go to bed. (请在睡觉前打扫地板。)
Can you sweep the floor for me? (你能帮我扫扫地板吗？)
I need to mop the floor because it's very dirty. (我需要用拖把清扫地板，因为它很脏。)
I have to scrub the floor to get rid of the stains. (我必须用刷子或肥皂水擦洗地板，以清除污迹。)

希望这些信息对你有帮助。