这个犯罪集团采取黑手党式的运作方式，通过暴力手段控制当地企业。

The crime group runs its operations in a ___mafia-style manner, using violence to control local businesses.

那家餐厅的经营方式很隐秘，总让人联想到黑手党式的运作。

The restaurant's operations were so secretive that it gave off a ___mafia-style atmosphere.