against词性：介词
通常用法如下：
1、表示“反对”、“违背”如：
They are strongly against the opinion. 他们强烈反对这个观点。
Are you for or against my idea? 对于我的观点你是赞成还是反对？
2、表示“撞击”、“碰着”如：
The rain was beating the windows. 雨点拍打着窗户。
3、表示“倚”、“紧靠”如：
Place the ladder against the wall.把梯子靠在墙上。
4、表示“逆着”如：
She is walking against the wind.(with the wind表示“顺风”)她正在逆着风行走。
5、表示“衬托”、“相映”、“对照”，含对比之意 如：
Red flags stand out brightly against the blue sky.红旗在蓝天的衬托下显得分外鲜艳。
6、表示“防备”、“预防”如：
People are warned against the thief. 人们得到告诫，要谨防扒手。
against
[英][əˈgenst][美][əˈɡenst]
prep.反对;对…不利;紧靠;以防;
conj.在…之时;在…之后。
例句：
1.I'm not against job training.
我并不反对职业培训。
2.Sh ewas sobbing and nestling close against him.
她抽泣着向他靠了过去。
3.Most companies have rules against sexual discrimination.
大多数公司有反性别歧视的规定。
4.All of this is against federal regulations.
所有这些都是违反联邦法律的。
5.There are other arguments against rio.
还有其它不利于里约热内卢的理由。
6.Only turkey and brazil voted against the sanctions.
只有土耳其和巴西反对对伊进行制裁。
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