a leader in a political party who controls votes and dictates appointments;
"party bosses have a reputation for corruption"
party boss的用法和样例:
例句
The newcomers think that if old George didn't get the nomination this time he would loyally stand down and make way for a younger man. The party bosses know different. 新来的人认为如果老乔治这次没得到提名,他会老老实实地退出竞选,让位于年轻些的假选人。党派的头头们却不这样看。