n.轮齿；从属地位的人或物；诈骗；雄榫
v.用雄榫连接；欺骗
The wheel engages with the cog and turns it. 轮子咬住轮齿并带动它转动.
Jim was only a very small cog in a very large criminal wheel. 吉姆只不过是一个大犯罪团体里的小人物。
If a person doesn't do his utmost,he will be a permanent cog in the machine. 人若不竭尽全力，将永远是一个无名小卒。
用作动词 (v.)The gamesters will palm the dice and will cog. 赌徒们藏骰子在手掌中并且要诈赌。
