An insider is someone who is involved in a situation and who knows more about it than other people.
例句
An insider said, 'Katharine has told friends it is time to end her career.'一位知情人说:“凯瑟琳已告诉朋友准备结束她的事业”。German banks have more insider knowledge than most.德国银行与大多数银行相比知晓更多的内部消息。
英汉词典释义
n.
(组织等)内部的人;知情人
a Wall Street dealer jailed for insider trading因內幕交易而遭监禁的华尔街交易商
英英词典释义
Noun
1. an officer of a corporation or others who have access to private information about the corporation's operations