a.

1. 片面的；偏于一方的
   Their boss made a one-sided judgement.

   他们的上司作出了不公的判断。

   Her views on the matter were one-sided.

   她对这件事的看法是片面的。

2. 不均衡的，不等的，一面倒的
   As the visiting team was much better, the game was one-sided.

   因为客队强得多，这场比赛成为一边倒。

3. 单侧的，单边的
4. 【律】单方面的
   one-sided obligation

   单方面的义务

adj.

1. unfairly dealing with or biased towards only one side of a contentious issue.
   ▸(of a contest or conflict) grossly unequal.
2. occurring on or having one side only.