n.[C]

1. 恶魔，恶鬼
2. 恶人；凶恶的人
3. 邪恶的事物；恶劣的影响
   the demon of jealousy

   妒忌的恶念

4. 精力充沛的人；高手；热心者
   a demon at golf

   高尔夫球好手

n.

1. an evil spirit or devil.
   ▸often humorous an evil or destructive person or thing:

   you little demon.
2. [as modifier] denoting a person skilful in a specified role:
   a demon cook.
3. another term for daemon¹.
4. variant spelling of daemon².

n.