第1个回答 2009-08-08
“against”是prep.
其用法如下：
1)表示“反对”、“违背”之意。如：
①They are strongly against the idea. 他们强烈反对这个意见。
②Are you for or against my plan? 对于我的计划你是赞成还是反对？
③What have you done is against the law.你所做的事情是违法的。
④Jane married Jack against her own will.简与杰克结婚，违背了自己的意愿。
2)表示“撞击”、“碰着”之意。如：
①The rain was beating the windows. 雨点拍打着窗户。
②Tom hit his head against a tree in the dark.黑暗中汤姆的头撞在一棵树上。
3)表示“倚在”、“紧靠”之意。如：
①Place the ladder against the wall.把梯子靠在墙上。
4)表示“逆着”的意思。如：
①We are sailing against the wind.(with the wind表示“顺风”)我们的船正在逆风行驶。
5)表示“衬托”、“相映”、“对照”之意。如：
①Red 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”之意。如：
①People are warned against pick-pockets. 人们得到告诫，要谨防扒手。
第2个回答 2009-08-08
是介词
against
[əˈɡenst, əˈɡeinst]
prep.
(表示方向)与…方向相反, 逆着, 迎着, 顶着
You should fly your kite against the wind.
你应该迎着风放风筝。
(表示方位)紧靠着…, 倚靠着…
The seats have no back against which to lean.
这些座位都没有靠背可倚。
(表示对象)对…不利, 对…有害; 和…碰撞, 与…撞击; 预防, 以…为抵御对象; 以…为竞争对手; 违反, 违背
The present economic climate works against the smaller companies.
当前的经济气候对小公司不利。
(表示目的)为…做准备, 防备…之用
She is preparing a substantial meal against his return.
她正在准备一顿丰盛的饭菜为他接风。
(表示态度)反对, 反抗
He fought against the disease for a long time.
他同疾病做了长时间的斗争。
(表示依据)以…为标准
I checked my watch against the steeple clock.
我根据教堂尖塔的大钟对了表。
以…兑换, 以…交换
Please deliver this package against payment of cost.
请把这件货物送去, 把货款带回。
(表示对比)和…比, 和…对照; 以…为背景
He is elected by a majority of 40 votes against 10.
他以40票对10票的大多数票当选。