VOA慢速英语:研究发现策划校园暴力事件的学生有迹可循

bully v. to frighten, hurt, or threaten another person

depression –n. a serious medical condition in which a person feels very sad and hopeless

impact –v. to have a strong and often bad effect on

thwart –v.. to prevent from doing something or to stop from happening

intend –v. to plan or want to do

resort –v. to do something especially because no other choices appear to be available

eliminate –v. to remove, get rid of

primary –adj. most important, first

objective –n. something that a person is trying to do or reach; a goal or purpose