- 黑手党 hēishǒudǎng MafiaA secret criminal organization originating in Sicily, active internationally and especially in Italy and the US, involved in activities such as racketeering and trafficking
- 幕后黑手 mùhòuhēishǒu hidden handthe person or force working behind the scenes to manipulate a situation for a bad purpose; malign agent who pulls the strings from the shadows