1. role of leader in, or instigator of, the infringement; 起不法行为的领导作用或是发起者；
2. What has become of Danglars, the instigator, and therefore the most guilty ? 腾格拉尔，那个教唆犯，就是那个罪名最重的人，他怎么样了？
3. Scientists still agree that around sixty-five million years ago, a meteor or comet or something was the instigator. 科学家们仍然认为大约6500万年前，一颗流星或彗星或其他物体是起因。
英英解释
n.
1. someone who deliberately foments trouble
2. a person who initiates a course of action
