a person who annoys or criticizes other people in order to make them do something (为使别人做某事而对其进行骚扰或批评的)讨人厌者 He was a political gadfly, turning up at city council meetings and complaining about the waste of taxpayers’ money. 他是一个政治牛虻,出现在市议会会议上,抱怨浪费纳税人的钱。
Word Originlate 16th cent.: from gad, or obsolete gad ‘goad, spike’, from Old Norse gaddr, of Germanic origin; related to yard, the unit of measurement.