against
词根词缀：
词根
gain= against 反对
against prep. 反对
a 表加强 + gainst 逆；对着 → 反对
gainsay v. 否认
gain 反对 + say 说 → 反对地说 → 否认
gainst prep. 逆；对着
数据来源：新东方英语词汇速记大全
相关例句：
Have you got something against women, Les?
你对女性存有芥蒂吗，莱斯？
I must warn you against raising your hopes.
我必须警告你不要期望过高。
The odds against him surviving are incredible.
他活下来的概率非常小。
The US dollar is down against most foreign currencies today.
今天美元对大多数外汇的比价都有所下降。
It is against the law to detain you against your will for any length of time
无论强制扣押多长时间都属违法。
I have nothing against foreigners.
我对外国人并无芥蒂。