mudslinging /ˈmʌdˌslɪŋɪŋ/

• 1. 

  N-UNCOUNT If you accuse someone of mudslinging, you are accusing them of making insulting, unfair, and damaging remarks about their opponents. 诽谤; 中伤 [表不满]

  例：

  Voters are disillusioned with the mudslinging campaigns run by many candidates in recent years.

  选民们对近几年很多候选人在竞选活动中互相诋毁深感失望。