They made the floor dirty.
Politics is a dirty game.
Dirty things in the surrounding areas or home gives rise to the various diseases causing germs, bacteria, virus and fungus.
We should not make our surrounding areas dirty as it spread diseases.
A dirty and damp atmosphere causes lots of diseases.
When viewed through a scratched, dirty lens, even the most pristine scenery looks flawed.
Child labour is increasing and giving a dirty shape to our society.
We should not do things which make the air dirty.