n.罪魁；頭目
He spilled it that Bill was their ringleader. 他透露比爾是他們的主謀。
He is the ringleader in the prison raid. 他是聚眾劫獄的首要分子。
The drug ringleader routed out a police informant. 販毒集團(tuán)的頭目挖出了一個(gè)警察眼線。
