1. 反对;违反
The fight inflation has been going on for almost two years.
抑制通货膨胀的战斗已展开近两年了against的。
2. 逆;对着
They sounded a sharp warning against all these tendencies.
对于这种种倾向,他们发出了严厉的警告。
3. 倚;靠
His desk is against the wall.
他的办公桌靠墙放着。
4. 以…为背景
The little red house looks so beautiful against the green woods.
那座红色的小屋在翠绿的森林衬托下显得很美。
5. 防备;预防
We bought some warm clothes against the coming winter.
我们添置了一些御寒的衣服以迎接即将来临的冬季。
6. 不利于
She has said nothing against you.
她并没有说任何对你不利的话。
prep.（介词）
In a direction or course opposite to:
逆：与某个方向或过程相反：
row against the current.
逆水行舟
So as to come into forcible contact with:
对撞：为与…达成猛烈接触：
waves dashing against the shore.
拍岸的波涛
In contact with so as to rest or press on:
倚在；紧靠着：与…接触为了休息或按压：
leaned against the tree.
斜靠着树
In hostile opposition or resistance to:
反抗；抵抗：处于敌对状况或与…相抗衡：
struggle against fate.
同命运抗争
Contrary to; opposed to:
与…相反；对：
against my better judgment.
与我的判断相反
In contrast or comparison with the setting or background of:
对照；对比：以…的布景或背景相对比：
dark colors against a fair skin.
深色衬托出白皙的肌肤
In preparation for; in anticipation of:
预期；以备：为…作准备；期待着…：
food stored against winter.
为过冬贮备的食物
As a defense or safeguard from:
预防；防御：以…为防御或保护对象：
protection against the cold.
预防感冒
To the account or debt of:
兑换；提取：作为帐上的应收款项或作为…的借项：
drew a check against my bank balance.
开支票支取自己的银行结余
Directly opposite to; facing.
正对着；面向
prep.（介词）（注意：各种翻译方法都是介词）
1 与某个方向或过程相反：
2 倚在；紧靠着：与…接触为了休息或按压：
3 反抗；抵抗：处于敌对状况或与…相抗衡：
4 与…相反；对：
5 对照；对比：以…的布景或背景相对比：
6 预期；以备：为…作准备；期待着…：
7 预防；防御：以…为防御或保护对象：
8 兑换；提取：作为帐上的应收款项或作为…的借项：
9 正对着；面向 你的采纳 我的动力
希望我能继续帮你