to make a judgment in an argument, usually because asked to do so by those involved(通常指在争议方要求下)仲裁,裁决,公断
I've been asked to arbitrate between the opposing sides.对立的双方请我作个公断。
An outside adviser has been brought in to arbitrate the dispute between the management and the union.局外顾问受邀对资方和工会之间的争端进行仲裁。