nefariously

例句：

1. 1.The criminal's actions were nefariously malicious.
   罪犯的行为是恶意的。
2. 2. The company's decision was nefariously unethical.
   公司的决策是恶意的。
3. 3. Her behavior was nefariously deceitful.
   她的行为是恶意的欺骗。