那个罪犯的邪恶计划简直令人毛骨悚然。

The criminal's ___diabolical scheme was truly horrifying.

这家餐厅的服务糟透了，我们等了足足两小时才上菜。

The service at this restaurant was ___diabolical — we waited two hours for our food.

他想出了一个邪恶的计谋来获取邻居的财产。

He devised a ___diabolical plan to steal his neighbor's property.