a person who knows a lot about a group or an organization, because they are part of it 知情人；知内情者；内部人士◆The situation was described by one insider as ‘absolute chaos’. 据一位内部人士说，情况是“一团糟”。◆Industry insiders predict a merger within the next year. 业内人士预测明年之内要合并。
() the directors, senior officers, lawyers, accountants, etc. of a company and anyone who owns more than ten per cent of the company's voting shares 内部人（公司的董事、高级职员、律师、会计师等以及持有公司 10% 以上的有表决权股份的任何人）◆company/corporate insiders 公司／企业内部人◆Insider buying of shares is a positive sign of a company's future. 内部人购买股票是公司未来的积极象徵。