crusades
A crusade is a long and determined attempt to achieve something for a cause that you feel strongly about.
campaign
He made it his crusade to teach children to love books.
他把教育孩子热爱书籍作为自己的奋斗目标。
crusades , crusading , crusaded
If you crusade for a particular cause, you make a long and determined effort to achieve something for it.
a newspaper that has crusaded against the country's cocaine traffickers.
一份致力于打击本国可卡因走私犯的报纸。