1.   Dealing drugs is a dirty business.

2.   During the past year, there has been a constant reinforcement of the idea that politics is a dirty business.

3.   He is into all sorts of dirty business, yet nothing sticks to him.

4.   Its role was to secure the outskirts of the city while Interior Ministry troops carried out the dirty business of mopping up.

5.   Mining is generally seen as a dirty business, full of grimy men and gritty landscapes.

6.   No qualms, no doubts, no complaints about the dirty business of fund raising.

7.   One more good man, the conventional wisdom will read, driven away by the dirty business of politics.

8.   Politics, it proposes, is always a dirty business.

9.   Politics is often a dirty business.

10.   Stepashin has so far kept relatively clean hands in some legendarily dirty businesses.