constable

1. N-COUNT/N-TITLE In the United States, a constable is an official who helps keep the peace in a town. They are lower in rank than a sheriff. (美国乡镇的) 治安官

Courts and magistrates may be set up but they cannot function without sheriffs and constables. 法院和地方法院可以设立，但没有县治安官和乡镇治安官它们便无法运作。

2. N-COUNT/N-TITLE/N-VOC In Britain and some other countries, a constable is a police officer of the lowest rank. (英国等国家中级别最低的) 警官