adj.糟糕透顶的，邪恶的，恶魔似的，烦人的，讨厌的，道德败坏的

His diabolical plan to sabotage the peace talks was uncovered just in time.
他那个旨在破坏和平谈判的恶毒计划及时被揭露了出来。
The serial killer's methods were diabolical, leaving the investigators horrified.
连环杀手的手法极其残忍，让调查人员感到震惊。
The diabolical laughter echoed through the haunted house, sending chills down our spines.
那恶魔般的笑声在鬼屋中回荡，使我们不寒而栗。
The dictator's diabolical treatment of political prisoners was condemned by the international community.
独裁者对政治犯施以的残酷虐待遭到了国际社会的谴责。
The diabolical complexity of the puzzle made it nearly impossible to solve.
这个谜题的复杂程度近乎恶魔般，几乎无法解开。
Her diabolical sense of humor often left her friends unsure whether to laugh or cringe.
她那恶作剧般的幽默感常常让朋友们不知是该笑还是该畏缩。
The diabolical weather conditions during the expedition made progress extremely difficult.
探险过程中遭遇的恶劣天气条件使得前进异常艰难。
The hacker's diabolical scheme to steal millions from bank accounts was finally foiled.
黑客企图从银行账户窃取数百万的邪恶计划最终被挫败了。
The villain's diabolical smile revealed his true intentions, chilling everyone present.
反派那恶魔般的微笑暴露了他的真正意图，令在场的每个人都感到一阵寒意。
The diabolical nature of the experiment, which involved testing chemicals on animals, sparked public outrage.
那项涉及在动物身上测试化学品的实验因其残忍的本质引发了公众的愤怒。