1.？ Sir:? Sir is the English address for people who have a certain social status in Hong Kong, such as police and teachers, which is literally translated as "sir", while Hong Kong people are used to adding the word "A" to address people.

People who work in different industries are called "A Sir", or "Li Sir" or "Zhang Sir" with the recipient's surname.

In disciplined troops or uniform groups (such as police, firefighters, boy scouts, etc.). ), the name of subordinates to superiors, or the name of ordinary people to these people; Equal to "sir".

2. Various names of the Hong Kong Police, such as:

(1) "Ying Ling"-a popular name for the police, which comes from the title of "Royal" of the Hong Kong Police (Royal Hong Kong Police Force) before the reunification.

(2) "A sir": the popular name of the police, which is a special name for officers and teachers left over from British rule.

(3) "Huayaozi" or "Huayaozi"-another common name in Hong Kong before the 1960s, was originally an ancient name for the police, which originated from the name of the underworld in Guangdong in the Qing Dynasty, because the bureaucratic yamen was tied with a colorful cloth belt.