campaigns
n. （有计划的）活动，运动；战役，战斗（campaign 的复数）
v. 领导（参加）运动，从事竞选活动（campaign 的第三人称单数）
例句
They feared that the publicity surrounding him would detract from their own election campaigns.
他们担心围绕他的宣传会有损他们自已的竞选活动。
《柯林斯英汉双解大词典》
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。
They're able to carry out individually targeted campaigns to cheat people.
他们能够进行有针对性的活动来欺骗人们。
