I'm concerned about his health condition.

I get the feeling that he's hiding something.

Have you finished this year's big cleaning yet?

I was cleaning all day today.

My new vacuum cleaner is very quiet.

The cleaning woman cleans my office every day.

The oceanic whitetip shark lives in warm sea areas.

This store does not accept unwelcome customers at all.

The police found a dirty bomb and immediately reported it to the experts.

This dirty egg needs to be washed clean.