adj.恶性的，恶意的，恶毒的
n.怀恶意的人，保王党党员

Tom said that we were malignant and mean.
汤姆说我们既恶毒又卑鄙。
Gastric cancer is a malignant disease.
胃癌是一种恶性疾病。
Ebola is a malignant disease.
埃博拉是一种致命的疾病。
The cancer was diagnosed as malignant, requiring immediate surgery.
癌症被诊断为恶性，需要立即手术。
Malignant tumors can spread rapidly throughout the body.
恶性肿瘤能快速扩散到全身。
Her aggressive behavior was truly malignant, fueled by envy and resentment.
她的恶意行为确实恶性，源于嫉妒和怨恨。
The politician's policies were widely regarded as malignant, causing harm to the nation's economy.
这位政客的政策被广泛视为有害，对国家经济造成损害。
Malignant cells often evade the immune system, making treatment challenging.
恶性细胞常常躲避免疫系统，使治疗变得困难。
The cancer had progressed to a malignant stage, necessitating more intensive chemotherapy.
癌症已发展到恶性阶段，需要更强烈的化疗。
His malicious gossip caused a toxic work environment.
他的恶意流言蜚语制造了恶劣的工作氛围。
Malignant narcissism is a personality disorder characterized by an excessive sense of self-importance.
恶性自恋是一种人格障碍，以过度的自我中心为特征。
The virus mutated into a more malignant strain, making it harder to contain.
病毒变异成更恶性的类型，使得控制起来更加困难。
She fought bravely against her malignant illness, inspiring others with her strength.
她勇敢地对抗恶性疾病，用她的力量激励他人。