出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第233页（208字）
比喻卖身投靠敌人，例在抗战时期，有许多无耻汉奸认贼作父，甘为敌人卖命。
During the Anti-Japanese War，many shameless quislings threw in their lot with the enemy and were willing to work for them．