1.(trader)经纪人；中间商；经销商
The company was hardly going to be keen on doing business with an obscure middleman with doubtful credentials.公司几乎不可能会积极地跟一个身份不明、背景可疑的经销商做生意。
2.(intermediary)中间人；调解人；斡旋人
It seemed then that Blake must have arranged the kidnap, using Jackson as middleman.这样看来, 布莱克一定是利用杰克逊做中间人策划了这宗绑架。
3.【戏剧】(in minstrel shows)(滑稽说唱团演出时)站在中间的问话者
4.to cut out the middleman
(stop using intermediary)踢开中间人；直接自己来
Why don't they cut out the middleman and let us do it ourselves?他们为什么不撇开中间商, 让我们自己干呢？