相反意见的英文：
adverse opinion

参考例句：

Contrary opinions
相反的意见

We must hear opinions contrary to ours.
我们应该听取相反的意见。

I have nothing to say to the contrary.
我没有相反的意见可提。

devil's advocate
唱反调的人|争辩时故意持相反意见的人

Democrats and Republicans often hold contrary opinions.
民主党和共和党人士通常持有相反的意见。

"To be quite honest, I 'd be more inclined to take the opposite of yours. "
老实说，我更倾向于同您相反的意见。

To be quite honest, I'd be more inclined to take the opposite of yours.
老实说，我更倾向于持同您相反的意见。

Democrats and Republicans often hold contrary opinions
民主党和共和党人士通常持有相反的意见

adverse是什么意思：
adj. 不利的；有害的；相反的，逆的；敌对的

Adversity reveals genius
疾风知劲草

In prosperity think of adversity
居安思危

A friend is best found in adversity
患难见真友

Adversity leads to prosperity
穷则思变

Adversity is a good discipline
苦难是磨练人的好机会

opinion是什么意思：
n. 意见，看法，主张；舆论

narrow opinions.
刻板的观念

You must synthesise various opinions.
你必须综合各方面的意见。

This received opinion is piously affirmed.
这个被普遍承认的观点已经得到值得嘉许的肯定。

Opinion rules the world
舆论统治世界

The drift of opinion was against war.
舆论的趋势是反对战争。