He said that we were evil, malignant and mean.他说我们邪恶、狠毒并且卑鄙。

a community overrun by a malignant minority indulging in crime and violence被肆无忌惮从事犯罪和暴力活动的一小撮坏人蹂躏的社区

The tumours were found to be malignant.肿瘤被认定是恶性的。