crusade against 反对...的运动
crusade for 为...而奋斗
1. He crusaded against social injustice throughout his life.
他一生都在致力于反对社会不公。
2. They crusaded for better working conditions.
他们为改善工作条件而奋斗。
A: Have they crusaded for human rights before?
A：他们以前为维护人权奋斗过吗？
B: Yes, they crusaded against various forms of discrimination.
B：是的，他们曾经反对各种形式的歧视。
1) 发起斗争
2) 为正义事业奔走
3) 历史上发动十字军东征
1. 为某事而斗争
e.g. She crusaded against animal cruelty.
她致力于反对虐待动物的行为。
verb
1. to fight or campaign vigorously for or against something
Synonym: campaign, fight