ADJ [usually ADJ n]一方的;单边的;单方面的 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. 一方的;单边的;单方面的
...unilateral nuclear disarmament.
单方面核裁军
unilaterally
The British Government was careful not to act unilaterally.