prep.

1. 反对；违反
   The fight against 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。

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天。

6. 不利于
   She has said nothing against you.

   她并没有说任何对你不利的话。

prep.

1. in opposition to.
   ▸in resistance to.
2. in anticipation of and preparation for (a difficulty).
   ▸(in betting) in anticipation of the failure of:

   the odds were 5–1 against England.
3. in relation to (money owed, due, or lent) so as to reduce, cancel, or secure it.
4. in or into contact with.
5. in contrast to.