A unilateral decision or action is taken by only one of the groups, organizations, or countries that are involved in a particular situation, without the agreement of the others.
例句
...unilateral nuclear disarmament.单方面核裁军
英汉词典释义
adv.
单方面地
In international custom,a nation that unilaterally breaks contracts must make good the damage.根据国际惯例,某国单方面撕毁合同必须赔偿损失。The communists had unilaterally declared a ceasefire.共产主义者单方面宣布停火。The district unilaterally proclaimed its independence from the national government.该地区单方面宣布脱离国家而独立。