engagement letterglossary / ENGAGEMENT LETTER engagement letter. A document identifying the scope of a professional’s services to a client and outlining the respective duties and responsibilities of both. 词条贡献者 法律翻译Jessie,在一家亚洲一流律师事务所的北京办公室担任全职法律翻译,擅长翻译有关港口、铁路、公路与海运的法律文件。