1. He is under the delusion that he is Napoleon. ����������֢����Ϊ�Լ��������ء�
2. What is the delusion that science is in that is troublesome? ��ѧ���������еġ�������鷳�Ĵ�����ʲô�أ�
3. He has the tyrant's delusion that "only God", as he puts it, can displace him. �����������Ƶ������������ű���һ�������룬��ֻ���ϵۡ���ȡ������
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n.
1. (psychology) an erroneous belief that is held in the face of evidence to the contrary
2. a mistaken or unfounded opinion or idea
3. the act of deluding; deception by creating illusory ideas