/əˈɡreʃən/ n.1.(behaviour)+of person敌对(或攻击性)心理；敌对(或攻击性)行为
I wished he could get some help in controlling his drug habit and controlling his aggression.我希望他能得到一些帮助, 控制毒瘾和敌对情绪。
Aggression is by no means a male-only trait.攻击性绝不是男性独有的特点。
2.(attack)(尤指一国对另一国的)挑衅, 侵略
the threat of military aggression军事侵略的威胁
an act of aggression侵略行为
The raid was an unjustifiable act of aggression.这次袭击是一起无端的的侵略行径。
3.(offensive activity)侵犯
an aggression against personal liberty对人身自由的侵犯