have a strong hatred of evil practices 疾恶如仇

“疾恶如仇”，也作“嫉恶如仇”，汉语成语，意思是憎恨坏人坏事就像憎恨仇人一样（hate evil like an enemy）。可以翻译为“have a strong hatred of evil practices”。

例句：

他的公正和疾恶如仇赢得了群众的拥护。

His fairness and abhorrence of evil won him the support of the masses.