n.[C]

1. 【史】（常大寫）十字軍；聖戰
2. （為某種目的而發起的）運動[（+against/for）]
   He was deeply involved with the anti-drugs crusade.

   他深深地涉入了反毒品運動。

vi.

1. 【史】參加十字軍（或聖戰）
2. 參加運動[（+against/for）]
   We must crusade for world peace.

   我們必須為世界和平而奮鬥。

n.

1. any of a series of medieval military expeditions made by Europeans to recover the Holy Land from the Muslims.
   ▸a war instigated for alleged religious ends.
2. a vigorous campaign with a political, social, or religious aim:
   a crusade against crime.

v.