The vulgarism study of modern Chinese language is an unsubstantial tache in the history of researching common sayings of Chinese language.
近代汉语俗语研究是汉语俗语史研究中一个较为薄弱的环节。
The dialect recorded in these works in majority come from the predecessors' works, the vulgarism and dialect of contemporary different districts.
记录的方言主要来自前人著作以及当时各地的方言俗语。
Moreover, he distinguished the freedom from the casualness, the vulgarism of freedom from the virtue of freedom, and emphasized the value of "civilized freedom".