1、These copycats might be tarnishing your brand name in the process which can hurt your reputation.
這些抄襲者這個舉動可能玷污你的品牌名稱，有損你的聲譽。

2、Patted him of dust, for fear of tarnishing the sanctity of the place.
拍拍身上的塵埃，生怕玷污了這圣潔的地方。

3、He is tarnishing his reputation by being a shill for the tobacco industry.
他因為煙草工業(yè)做托兒而在玷污他的名譽。

tarnishing翻譯