正犯[zhèng fàn]
词典principal offender：[法] 主犯，正犯。
{律} principal offender
1. principal：西部:Principal | 正犯:principal | 激励:principal-agent
2. perpetrator, principal：misdemeanor 轻罪 | perpetrator, principal 正犯 | accomplices, aiders and abettors 从犯,帮助犯