疾：憎恨；恶：指坏人坏事。憎恨坏人坏事就象憎恨仇人一样。
[hate evil like an enemy abhor evils as deadly foes;abhor evils as if they were personal enemies;hate the wicked as you do your enemies] 憎恨邪恶就同憎恨仇人一样
痛恨坏人坏事像痛恨仇敌一样。《晋书·傅咸传》：“风格峻整，识性明悟，疾恶如仇，推贤乐善。” 宋 文天祥 《雷州十贤堂记》：“敬贤如师，疾恶如仇。” 峻青 《海啸》第四章：“这个疾恶如仇的姑娘，最见不得邪恶和阴谋。”