1N-COUNT 一群；一队；一批 A posse of people is a group of people with the same job or purpose. 一群；一队；一批 [informal]
...a posse of reporters. [+ of]
一群记者
A posse of Marsh's friends persuaded them that this was a bad idea.
马什的一群朋友劝他们说这是个馊主意。
2N-COUNT （旧时美国县治安官调集协助其追捕罪犯的）民防团 In former times, in the United States, a posse was a group of men who were brought together by the local law officer to help him chase and capture a criminal. （旧时美国县治安官调集协助其追捕罪犯的）民防团