against

  1. I am against your plans.（反对）

  2. Some animals store up food against winter.（准备，应付）

  3. The pine tree stands against our dorm.（正对着）

  4. I bought six books this month as against last month.（对比）

  5. Red flags stand out brightly against the blue sky.（衬托）

  6. A fire is a protection against cold.（抵御）

  7. The baby hit its head against the wall.（撞击）

  8. Place the ladder against the wall.（倚，靠）