1) Scornful dogs will eat dirty puddings. 

2) Do not wash dirty linen in public. 

3) A clear fast is better than a dirty breakfast. 

4) Hungry dogs will eat dirty puddings. 

5) Dirty linen should be washed at home. 

6) Wash your dirty linen at home. 

7) Do not wash your dirty linen in public. 

8) Don't wash your dirty linen in public. 

9) It is a dirty [foolish] bird that fouls [soils] its own nest. 

10) Don't throw out your dirty water before you get in fresh. 

11) Sunlight barely penetrated the dirty windows.

12) The collar of his shirt was dirty.

13) He held the dirty rag at arm's length .

14) The dirty clothes are soaking in soapy water.

15) There were dirty clothes strewn around the beds.

16) The steel tubes were clogged with dirty matters.

17) Coaling a ship is a dirty job.

18) Mother noted that my sweater was dirty with mud.

19) Dirty hands can be a breeding ground for germs.

20) I wish he wouldn't tell dirty jokes .

21) She immersed her dirty clothes in soapy water.

22) I always get given the dirty jobs .

23) You have a dirty mark on your face.

24) Even worse[sentencedict.com], they pour dirty water in to rivers.

25) Throw your dirty clothes in the washing machine.

26) Two more pairs of trousers are dirty.

27) She left a dirty ring around the bath.

28) The neck of a shirt gets dirty easily.

29) That shirt is dirty,(http://sentencedict.com/dirty.html) here is a clean one.

30) Don't empty the dirty water into the bowl.