He is the secret head of a large illegal gambling ring which use the computer for its operations.

他是一个秘密的，大的，非法的赌博团伙的头,那个团伙用这个电脑来操作。

哈佛公开课 - 计算机科学课程节选

The large size of the key (sorry to go on about it), the ergonomic turning head and chunky ring, are all designed to be easier for people with physical impairments to get it out of a bag and in to the lock.

BBC: Disabled toilets: What is a Radar key?

Next head to the main ring, where a typical timetable may consist of falconry displays, Cumberland wrestling, pipe-and-drum performances and pony-and-trap contests.

BBC: The great British country show: A cultural eye opener

The alleged head of a multi-billion dollar smuggling ring in south-east China has confessed and now faces trial, Chinese state media say.

BBC: China