engage in illegal activities
The Chinese idiom, Pinyin is t ú Zu ù B ù Gu ǐ, which means plotting wrongly. It comes from the biography of Zheng Zhongzhuan.
The origin of Idioms
According to Zheng Zhongzhuan in dongguanhanji, "the brothers of Jixian were plotting against him, so they first tried to punish him and moved to dachangqiu with their merits."
Idiom usage
Used as a predicate or attributive.
engage in illegal activities
A trickle of water makes a river - juān dī chéng hé
take pleasure in other people's misfortune - xìng zāi lè huò
force young girls of good families to prostitute themselves - bī liáng wéi chāng
not to do anything more than three times - shì bù guò sān