1
arbitrator in [dispute]
in 后接争议，表示仲裁所涉及的事项。
An arbitrator in the dispute was chosen by both sides.
这起争议中的仲裁人由双方选定。
仲裁人；公断人
先理解核心含义，再看它在真实句子里的用法。
仲裁人；公断人
a person chosen to judge and settle a dispute
An arbitrator in the dispute was chosen by both sides.
这起争议中的仲裁人由双方选定。
被授权解决或裁决争端的人。
A person to whom the authority to settle or judge a dispute is delegated.
The two companies agreed to let an independent arbitrator settle their contract dispute.
两家公司同意让一名独立仲裁人解决他们的合同纠纷。
After months of talks, they finally asked an arbitrator to make a final decision.
经过数月的谈判，他们最终请了一位仲裁人来做最终决定。
The arbitrator listened carefully to both sides before ruling on the matter.
仲裁人在对此事作出裁决前仔细听取了双方的意见。
in 后接争议，表示仲裁所涉及的事项。
An arbitrator in the dispute was chosen by both sides.
这起争议中的仲裁人由双方选定。
between 后接争议双方，强调仲裁人居中协调。
The arbitrator between the two companies listened to both sides.
两家公司之间的仲裁人听取了双方的意见。
Not this
He is arbitrator in the dispute.
Use this
He is an arbitrator in the dispute.
arbitrator 是可数名词单数，前面需要不定冠词 an；汉语母语者常因没有冠词而漏掉，因此加上 an 才符合英语语法。
Not this
They asked him to arbitrator the dispute.
Use this
They asked him to arbitrate the dispute.
arbitrator 是名词，不能直接用作动词；表示“仲裁、公断”应用动词 arbitrate。此错误来自词性混淆，把名词当作动词使用。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
独立仲裁人
The contract requires an independent arbitrator to resolve the dispute.
合同要求由独立仲裁人解决争议。
指定仲裁人
Both parties agreed to appoint an arbitrator from the panel.
双方同意从仲裁团中指定一名仲裁人。
仲裁裁决
The arbitrator's award is final and binding on both sides.
仲裁裁决是最终的，对双方均有约束力。
独任仲裁人
They chose a sole arbitrator to hear the case.
他们选择了一名独任仲裁人来审理此案。
担任仲裁人
A retired judge was asked to act as arbitrator.
一名退休法官被邀请担任仲裁人。
Use arbitrator naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆：仲裁人（arbitrator）和任意（arbitrary）形似，但仲裁人绝不任意，而是公正裁决。
语域：formal 常见场景：法律文书、商业争议、合同条款 arbitrator 为正式用词，通常多用于法律、商业或合同等正式场合；日常口语中较少出现，常以其他更口语化的表达代替。
真正的押韵词：calculator、narrator、translator 的结尾 /eɪtə/ 与 arbitrator 的 /eɪtə/ 相同。注意：arbitrate (/ˈɑːbɪtreɪt/)、arbitration (/ˌɑːbɪˈtreɪʃn/)、arbitrary (/ˈɑːbɪtrəri/) 虽有相同的拼写块“arbitr”，但发音并不押韵。
Dictionary facts from ECDICT, WIKTIONARY.