This passage is only open to insiders, and outsiders are not allowed inside.

此通道仅对内部人员开通，外来人员不得入内。

Insiders who knew the beginning and end of the incident began to worry about their own safety.

知道事件始末的内幕者开始为自身的安全担忧。

He's an insider of the business who knows the first-hand information that other people don't know.

他是此生意的业内人士 知道别人不知道的第一手信息

The company’s CEO was busted for insider trading.

该公司的首席执行官因内幕交易而被逮捕。

The situation was described by one insider as 'absolute chaos'.

据一名内部人士说，实情是乱作一团。

An insider said, "Katharine has told friends it is time to end her career."

一名知情者说，“凯瑟琳告诉朋友们她该结束自己的职业生涯了。”

One insider who has seen the report said it was pretty jaw-dropping stuff.

一位看过那份报告的内部人士说那是相当触目惊心的。

His behaviour could just as easily have been explained by problems in his personal life as being an insider on the kidnap plot.

他的行为很容易被解释为他个人生活中的问题，就像他是绑架阴谋的内部人士一样。

Former Enron executive Paula Rieker was charged with criminal insider trading.

安然前高管保拉·里克尔被指控犯有内幕交易罪。