against

prep

• ① 逆…(表示相反、违反、反对、冲突、碰撞之意)(←→for; in favor of;参照with)
  • We'll fight against the enemy.我们将对敌作战。
  • They sailed against the wind.他们逆风航行。
  • I like to swim against the current.我喜欢逆流游泳。
  • against one's will [conscience]违背自己的意志[良心]
  • Are you for it or against it?你赞成还是反对此事?
  • I'm against your going abroad.我反对你出国。
  • There is nothing against him.他无往不利,没有什么对他不利的事。
  • She voted against him.她投给他反对票(即投票反对他)。

• ② 向着;倚,靠
  • He threw the ball against the wall.他将球投向墙壁。
  • She leaned against a tree.她倚靠着一棵树。
  • He stood his umbrella against the door.他把他的伞靠门放着。
  • Please push the chairs against the wall.请把这些椅子推靠墙壁。

• ③ 衬托;相映;对照;对比
  • against the evening sky在傍晚的天空映照下;以晚空为背景
  • The white sail stands out against the dark sky.在黑暗的天空衬托下白帆显得很突出。
  • by a [the] majority of 50 against 20以 50 票对 20 票的多数

• ④ 防备;预防
  • You should take medicine against the disease.你应该服药预防该病。
  • Passengers are warned against pickpockets.[告示]旅客慎防扒手。