besmirch /bɪˈsmɜːtʃ/ (besmirching,besmirched,besmirches)

• 1.  

  V-T（及物动词） If you besmirch someone or their reputation, you say that they are a bad person or that they have done something wrong, usually when this is not true. 诽谤; 玷污 [文学性]

  例：

  He has accused local people of trying to besmirch his reputation.

  他指责当地人企图败坏他的名誉。