mudslinging

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]

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。