不法行为用英语怎么说？

不法行为

例句

• Various malpractices by police officers were brought to light by the enquiry. 警察的各种不法行为经调查已揭露出来.
• I will expose his all lawless actions. 我将揭发他全部的不法行为.
• ...a world in which brutality and lawlessness are allowed to go unchecked... 任由野蛮行径和不法行为横行无忌的世界
• The government recognised there were problems in urban areas but these could never be an excuse for lawless behaviour. 政府承认市区存在问题，但决不可拿这些作为不法行为的借口。