坏分子的英文：
【法】 scoundrel

The police have combed out the city's bad elements
警察清除了城里的坏分子。

We must resolutely put a stop to all attempts by bad elements to impose on the peasants.
我们必须坚决制止一切坏分子欺骗农民的企图。

He is a thorough scoundrel.
他是一个十足的无赖。

He is a precious scoundrel！
他简直就是个流氓！

A thief,scoundrel,or rascal.
贼，无赖，流氓或恶棍

He played the part of contemptible scoundrel in the incident.
他在这个事件中扮演了一个跳梁小丑的角色。