ag·gres·sive/ə`grɛsɪv; əˈɡresɪv/ adj 1 behaving in an angry or threatening way, as if you want to fight or attack someone 挑衅性的，好斗的: After a few drinks he became very aggressive. 喝了些酒，他就变得十分好斗。 2 very determined to succeed 有进取心的; 执着的: aggressive sales techniques 积极进取的销售技巧