学习古代汉语常会遇到“拦路虎”。它们有的来自字、词方面,有的来自名物、掌故方面。一“虎”当路,寸步难前,为治学者之大病。我国历史悠久,卷帙浩繁,任何一个博学的老师,都不敢说自己是“有求必应”。但有一个不开口的老师,却很能解决问题。它就是工具书。自学者必须善于使用工具书。最常用的工具书就是字、词典。学习古代汉语所接触到的,全是古代文献上的材料,遇到的词语问题,《新华字典》《现代汉语词典》之类的字、词书,当然不够用,而《康熙字典》和《辞源》、 Learning ancient Chinese often encounter “stumbling block.” Some of them come from the word, the word, some from the famous, the accidental aspects. A “tiger” when the road, hard to advance, scholars scholars for the serious illness. Our country has a long history and numerous volumes of curiosity. Any erudite teacher can not say that he is “responsive”. However, one teacher who does not speak is very able to solve the problem. It is a reference book. Self-learners must be good at using reference books. The most commonly used tool is the word dictionary. It is of course not enough to learn words and phrases that are used in learning ancient Chinese, such as the materials in the ancient literature, the words and phrases encountered in the Xinhua Dictionary, the Modern Chinese Dictionary, etc. However, the “Kangxi Dictionary” and " Etymology