正当防卫: just causejustifiable defensejustifiable right; ligitimate defencerighteous defenceself-defenceself-defense (theory)
行动: 1.(行走; 走动) move about; get about 短语和例子行动不便 have difficulty getting about; 行动缓慢 move slowly; be slow-moving2.(为实现某种意图而活动) act; take action 短语和例子行动起来 go into action; 行动果断 put one's foot down