CET-4 is difficult. College Russian is a language with rich grammatical structure and various forms, including six cases, three personalities and three voices. Russian has a huge vocabulary and many unique words and expressions. CET-4 usually includes reading comprehension, which requires candidates to read and understand the text within a limited time. Writing involves the comprehensive application of grammar, vocabulary and expressive ability, and requires clear thinking and rigorous logic. The pronunciation, intonation and speaking speed of CET-4 are quite different from those of Chinese, which requires learners to do more practice and listening training. Therefore, Band 4 is very difficult.