It's possible to clean up stubborn oil stains and besmirches with cleaning agent and woolen brush.

遇有顽固油渍、污渍，可使用清洁剂及毛刷擦洗即可。

"It may be," he replied, "because I will not encounter the dishonour that besmirches the husband of a faithless woman."

“可能是，”他答道，“因为我不愿意蒙受一个不忠实的女人给丈夫带来玷辱。”