mud-slinging

noun

1. 故意抹黑；恶意中伤
   the act of criticizing sb and accusing them of sth in order to damage their reputation

1. N-UNCOUNT 诽谤;中伤
   If you accuse someone of mud-slinging, you are accusing them of making insulting, unfair, and damaging remarks about their opponents.
   1. There will be no mudslinging, they promise...
      他们许诺不会再有诽谤了。
   2. Voters are disillusioned with the mud-slinging 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。

1. Voters are disillusioned with the mud-slinging 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。
2. The young candidate was victimized by the vicious mud-slinging tactics of his opponent and had to drop out of the running.
   这位年轻的候选人受其对手恶意诽谤的手段的伤害，不得不退出竞选。
3. After umpteen months of caucuses, by-elections, primaries, media speculation and mud-slinging, the American Presidential Nomination season is over.
   经过数月的政党会议、递补选举、初选、媒体猜测、言论攻击，美国总统提名期已经结束。