noun🔗Share疯子，狂人 An insane person, especially one who suffers from a mania."The teacher was concerned about the student's behavior; she thought he was a maniac. "老师很担心这个学生的行为；她觉得他像个疯子一样。medicinemindpersoncharacterdiseasehumanChat with AIVocabulary GamePractice Reading
noun🔗Share疯子，狂热者 A fanatic, a person with an obsession."My brother is a cleaning maniac; he spends hours every day scrubbing and organizing the house. "我弟弟简直是个清洁狂，每天花好几个小时擦洗和整理房子。mindpersoncharacterChat with AIVocabulary GamePractice Reading
