援古证今

Explanation: Invoked. Quote something to prove this old thing. 　　Usage: -Linked; as the predicate attribute, object; that ancient events cited to prove this matter 　　Source: Southern Liang Liu Xie "Wenxindiaolong do class" category who do, cover article in addition, it was a matter to class justice, assistance to prove this person is also ancient. " 　　Examples: ~, Strongly whom. ★ Qing xi "Liu Jingting Biography" Thesaurus:  make use of the subject under discussion to put over one's own ideas, use the past to disparage the present, Zhijimagou, The old days, make the past serve the present, Curse that dog pig, Yigufengjin, The ancient metaphor for the modern, Old were Kam, By the ancient metaphor for the modern