反对一个计划：

All members were against the plan he brought forward.

靠墙站：

He leaned against the wall.

反对这个想法：

He is dead against the idea.

反对恐怖主义的斗争：

the fight against terrorism

雨打着窗户：

Rain drove against the window.

他退到墙边，惊恐万分：

He backed against the wall, terrified.

这个决定违背了该党领导人的意愿：

The decision was made against the wishes of the party leader.

希望这些例句能帮助你更好地理解和使用"against"这个词。