n.罪魁，头目，元凶

原形：ringleader复数：ringleaders

The ringleader of the gang was finally arrested after months of surveillance.
这个犯罪团伙的头目经过数月的监视终于被捕了。
She was identified as the ringleader in the cheating scandal that rocked the school.
她被确认为那起震惊学校的作弊丑闻的主谋。
The ringleader orchestrated the bank heist with meticulous planning.
那位主谋以周密的计划策划了银行抢劫案。
It's believed that he's the ringleader behind the series of cyber attacks on government websites.
据信，他是对政府网站进行一系列网络攻击的幕后黑手。
Despite being the youngest, he emerged as the ringleader of the group, inspiring others with his bold ideas.
尽管年龄最小，他却成了这群人的领头羊，用他大胆的想法激励着其他人。
Investigators uncovered evidence that pointed to him as the ringleader of the smuggling operation.
调查人员发现了指认他为走私活动首领的证据。
As the ringleader of the protest, she was the first to address the crowd and articulate their demands.
作为抗议活动的领头人，她是第一个向人群发表讲话并明确表达他们要求的人。
The police are offering a reward for information leading to the arrest of the ringleader of the drug trafficking ring.
警方悬赏提供能导致逮捕毒品走私团伙头目的信息。
He denied being the ringleader, insisting he was just an innocent bystander caught up in the chaos.
他否认是主谋，坚持自己只是被卷入混乱中的无辜旁观者。
After the prank went too far, the school administration decided to discipline the ringleader and issue a warning to others.
恶作剧搞得太过火后，学校管理层决定对主谋进行纪律处分，并对其他人提出警告。