in a way that involves doing or deciding something without first asking or agreeing with another person, group, or country

The law is part of a disturbing trend to act unilaterally without regard to the legitimate interests of others. 这条法律展现了一种令人不安的趋势，即不顾他人的合法利益，单方面采取行动。

Employers cannot unilaterally change your contract terms. 雇主不能单方面改变你的合同条款。