n.[史]十字军东征;(宗教性的)圣战;改革运动;
v.加入十字军;从事改革运动;讨伐;
例句:
He made it his crusade to teach children to love books.
他把教孩子们热爱读书当做自己的使命。
to lead a crusade against crime
领导长期打击犯罪活动的运动
Footballers launched an unprecedented crusade against racism on the terraces.
足球运动员们对阶梯看台上的种族歧视发起了一场空前的运动。