demoniacally
🇬🇧/ˌdiːməʊˈnaɪəkəlɪ/ 🇺🇸/ˌdiməˈnaɪəkli/in a very agitated manner; as if possessed by an evil spirit
adverb [方式副词] 魔鬼地;魔鬼似地
The villain grinned demonically after successfully enacting his evil plan. 那个恶棍在成功实施了他的邪恶计划后,脸上露出邪恶的狞笑。