[attrib.]of, relating to, or belonging to a profession 职业的;专业的 young professional people. 年轻的专业人士。
(of a person) engaged in a specified activity as one's main paid occupation rather than as a pastime (人)职业性的;非业余的 a professional boxer. 职业拳击手。 ■having or showing the skill appropriate to a professional person; competent or skilful 内行的;称职的;专业的 their music is both memorable and professional. 他们的音乐令人难忘,极为专业。 ■worthy of or appropriate to a professional person 有专业人员水平的;与专业人员相称的 his professional expertise. 他的专业知识。 ■(informal, derogatory)denoting a person who persistently makes a feature of a particular activity or attribute (非正式,贬)(人)坚持某种活动特征(或特点)的 a professional gloom-monger. 专门散布悲观情绪者。
noun
a person engaged or qualified in a profession 专业人员;专家 professionals such as lawyers and surveyors. 诸如律师和勘测员之类的专业人员。 ■a person engaged in a specified activity,especially a sport or branch of the performing arts,as a main paid occupation rather than as a pastime (尤指运动员或表演艺术家)专业工作者 ■a person competent or skilled in a particular activity 内行;专家 she was a real professional on stage. 她在舞台上是个十足的内行。