aggressive

/əˈgrɛsɪv/

having or showing determination and energetic pursuit of your ends

中文释义：有进取心的；好斗的

The company adopted an aggressive marketing strategy to expand its market share.

该公司采取了积极的营销策略以扩大市场份额。

Some animals become aggressive when they feel threatened.

有些动物在感到受威胁时会变得好斗。