aggressive

• 形容人或行为具有攻击性、好斗、挑衅或积极进取的。

Describes a person or action that is forceful, hostile, or ready to attack.

1. Hostile or violent behaviorB1formal

   Behaving in a threatening, forceful, or hostile manner.

   侵略性的

   • The dog became aggressive when strangers approached.
   • His aggressive tone made everyone uncomfortable.
   • Aggressive driving can lead to serious accidents.

   同义词assaultivebelligerentcombativeconfrontationalhostilemilitantpugnaciousthreateningviolent

   反义词gentlemeekmildnonviolentpassivepeaceful

2. Forceful or assertiveB2formal

   Showing determination and energy in pursuing goals, often in a competitive context.

   有魄力的

   • The company launched an aggressive marketing campaign.
   • She has an aggressive approach to solving problems.
   • Their aggressive expansion strategy paid off quickly.

   同义词assertivedrivendynamicenergeticenterprisingforcefulpushyvigorous

   反义词meekpassivesubmissivetimidunassertive

3. Medical (cancer)C1formalmedical

   Describing a disease, especially cancer, that spreads quickly and is difficult to treat.

   侵袭性（医学术语）

   • The patient was diagnosed with an aggressive form of lymphoma.
   • Doctors are concerned about the aggressive nature of the tumor.
   • Aggressive cancers require immediate and intensive treatment.

   同义词fast-growinghigh-gradeinvasivemalignantmetastaticvirulent

   反义词benignindolentnonaggressive