unilateralism

基本解释

America’s unilateralism, he said, was also to blame for the world’s economic woes.
他还说，美国的单边主义也是酿成世界经济悲剧的原因。
Once NMD is deployed, no matter whether it is really effective or not, it would further strengthen the U.S. tendency towards unilateralism, and the tendency to use or threaten to use force.
一旦美国部署了NMD，无论其是否真正有效，都会进一步助长美国在国际事务中的单边主义及使用或威胁使用武力的倾向。
www.fmprc.gov.cn
Like America, China can still display a penchant for unilateralism that undermines all its careful diplomacy.
象美国，中国仍然显示出对美国单边主义可能破坏中国小心翼翼的外交的一个倾向。
blog.sina.com.cn

Whether all this really leaves America with no alternative to unilateralism may be open to doubt.
ECONOMIST: Yet more reason to worry about those Europeans
The other feature of this week's announcements is their curious mixture of unilateralism and co-operation.
ECONOMIST: Rock-solid allies? No. But certainly enemies no longer
This does not appear to be the sort of abrupt American unilateralism that many people fear.
ECONOMIST: Changing camels in mid-dune

Unilateralism is the belief that one country should get rid of all its own nuclear weapons, without waiting for other countries to do the same.
Unilateralism is used to refer to a policy in which one country or group involved in a situation takes a decision or action on its own, without the agreement of the other countries or groups involved.

单边主义
Fourthly, what corresponds to unilateralism and preemption is cooperation among big powers.
第四,与单边主义和先发制人呼应的是大国合作。
历史学
单边裁军主义