tainted

动词 taint:

1. place under suspicion or cast doubt upon
   同义词：defile, sully, corrupt, taint, cloud
2. contaminate with a disease or microorganism
   同义词：infect, taint

形容词 tainted:

1. touched by rot or decay
   同义词：corrupt
2. especially of reputation
   同义词：besmirched, damaged, flyblown, spotted, stained, sullied, tarnished

1. His political reputation was tainted by his abuse of the power.
   他因滥用职权而破坏了政治声誉。
2. Throw that tainted meat away; it's not edible.
   把那块腐烂的肉扔掉，不能再吃了。