犯罪活动

• criminal activities

例句

1. 警方从未当场见到他有犯罪活动，但他最终却与税务局惹上了官非。
   The police never caught him in any criminal activity but he eventually fell foul of the tax authorities.
2. 他的犯罪活动导致了他与家庭完全隔绝。
   His criminal activities led to complete alienation from his family.