同学你好，该知识点来自沪江网校《英语零基础直达CET4级签约考试版》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学你好~
Chinese idioms are a type of Chinese traditional words, most of them consist of 4 words.
words可以改成expressions，consist改成consisting，这里用独立主格结构

Chinese idioms were widely used in Classical Chinese, and still prevalent appear in vernacular writing and spoken today.
and are still prevalent，后面不加动词appear

There are about 5000 Chinese idioms in Chinese language, Chinese idioms are considered the collection of Chinese culture.  逗号不连接句子，改成句号。

Throught these are opinions which learn from Chinese idioms, you will find some experience, concept and admonishment.  这句话语法不正确，可以改成：Through the insights you learn from the idioms, you will discover the experience, empirical morality or admonishment of the older Generation in China.
At present, Chinese idioms still have an important player in Chinese discussion and education.  
player改成role 角色，discussion改成dialogues

祝同学学习进步~