insider

['in'saidə]

n.局内人, 知情人

例句与用法：

A small black horse had the inside track at the start of the race.

比赛开始时，一匹小黑马领先跑内圈。

A black horse was on the inside track at the start of the race.

赛马一开始，一匹黑马便一马当先，冲到内圈。

He has the inside track in the election because his father was so well known and admired.

他在竞选中处于有利地位，因为他父亲非常出名而又受人钦佩。

详细释义：

n.

1. 内部的人

2. 会员

3. 消息灵通人士