1. | （某些体育比赛的）裁判，裁判员the official who controls the game in some sports |
He was sent off for arguing with the referee. 他因为和裁判发生争执而被罚出场。 |
2. | 介绍人；推荐人a person who gives information about your character and ability, usually in a letter, for example when you are applying for a job |
3. | 仲裁员；调解人a person who is asked to settle a disagreement |
to act as a referee between the parties involved 充当相关各方的调解人 |
4. | （专业性文章的）审阅人，鉴定专家a person who reads and checks the quality of a technical article before it is published |
