1. 好斗性：tenacity 坚持,固执 | pugnacity 好斗性 | minacity 威吓性

2. 好斗; 好战 (名)：pugnaciously 好斗地, 好争吵地; 好战地 (副) | pugnacity 好斗; 好战 (名) | puisne 资浅的; 等级较低的 (形)

1. 好斗；好争；好战
    Pugnacity is the quality of being pugnacious.

    e.g. He is legendary for his fearlessness and pugnacity.
           他是出了名的大胆好斗。

1. a natural disposition to be hostile

    Synonym: aggressivenessbelligerence