1ADJ [ADJ n]撒旦引起的;魔鬼般的;残忍的;邪恶的Diabolic is used to describe things that people think are caused by or belong to the Devil. 撒旦引起的;魔鬼般的;残忍的;邪恶的 [formal]
...the diabolic forces which lurk in all violence.
潜伏在一切暴力之中的邪恶力量
SYN satanic, demonic, hellish, devilish
2ADJ 糟透的;极其恶劣的;非常讨厌的 If you describe something as diabolic, you are emphasizing that it is very bad, extreme, or unpleasant. 糟透的;极其恶劣的;非常讨厌的 [mainly US, emphasis]
Pitt's smile returned, and it was hideously diabolic.