arbitrate
/ˈɑ:bɪtreɪt; `ɑrbəˌtret/ v[I, Ipr, Tn, Tn.pr]
~ (sth) (between A and B) make a judgement about or settle (a dispute) between two parties (usu when asked by them to do so) 仲裁, 公断（通常为经双方要求解决争端）
He was asked to arbitrate (a serious dispute) between management and the unions. 他被邀请在资方与工会之间（对一严重争端）作出仲裁.