noun🔗Share疯狂，精神错乱 (of a person or group of people) The state of being mad, insanity"The teacher's recent lunacies made it difficult for the students to focus in class. "老师最近的那些疯癫行为让学生们很难在课堂上集中注意力。mindmedicineconditionChat with AIVocabulary GamePractice Reading
noun🔗Share荒谬，愚蠢的想法. Something deeply misguided."Spending all night memorizing a textbook without understanding it is one of the lunacies of exam season. "考试季的荒谬之处之一就是，人们会花一整晚背诵教科书而不去理解它。mindphilosophyChat with AIVocabulary GamePractice Reading
