aggression
n
1 [C, U] (instance of) unprovoked attacking or hostility by one country against another 侵略
an act of open aggression 公然的侵略行動.
2 [U] (psychology 心) hostile feelings or behaviour 敵對的情緒或行為; 攻擊行動
She was always full of aggression as a child. 她自幼心中就充滿了敵對情緒.