aggressive
/əˈgresɪv; ə`ˇrɛsɪv/ adj 1 (a) (of people or animals) apt or ready to attack; offensive; quarrelsome （指人或动物）侵略的, 好攻击的, 好寻衅的, 好争吵的: dogs trained to be aggressive 训练成攻击型的狗 * Aggressive nations threaten world peace. 侵略成性的国家威胁世界和平. (b) (of things or actions) for or of an attack; offensive （指事物或行动）攻击性的: aggressive weapons 攻击性的武器. 2 (often approv 常作褒义) forceful; self-assertive 强有力的; 坚持己见的: A good salesman must be aggressive if he wants to succeed. 要做个好推销员一定要有闯劲才能成功.
