几位政治家的声誉因开支丑闻而受损。

Several politicians have had their reputations ___stained by the expenses scandal.

这个国家的历史被无数无辜男女的鲜血所玷污。

The country's history is ___stained with the blood of countless innocent men and women.

所有那些'错误'，委婉地说，玷污了我们协会和医院的公众形象。

All those "mistakes", to put it kindly, ___stain the public image of our association AND the hospital.