justifiable [ˈdʒʌstəˌfaɪəbəl, ˌdʒʌstəˈfaɪ-]

例句:

• The cutbacks are justifiable on the grounds of cost.
  削减符合成本方面的考虑.
  
• Whether mercy killing is justifiable is still an open question.
  安乐死是否正当仍然是一个有争论的问题.
  
• The rule is justifiable on safety grounds.
  出于安全方面的考虑,这一规定是合理的.
  
• It certainly isn't justifiable by any rational logic.
  来自BBC
• There's a justifiable fear that people may get lost.
  来自THETIMES
• To kill in defense is legally justifiable homicide.
  来自SA