1. The story alluded to a mystery in her past. ����Ӱ������ȥ�����е�һ�����ܡ�
2. I didn't allude to anything or anybody. �Ҳ�δӰ���κ��˻��κ��¡�
3. The mathematicians, I grant you, have done their best to promulgate the popular error to which you allude. ������ԣ���ѧ����Ҳһֱ�ھ����Ŭ����������ָ��Ϊһ���˽��ܵĴ���