CET-4 is an objective description of college students' English level. Failing CET-4 doesn't mean that they have no English level at all. You can write "average" or "average" instead of "no".
CET-4 is the abbreviation of CET-4, which is a national English test sponsored by the Higher Education Department of the Ministry of Education. The main target of the examination is college students, undergraduates or graduate students who have completed CET-4 according to the educational syllabus.
The purpose of CET-4 is to promote the implementation of college English syllabus, objectively and accurately measure college students' English ability, and serve to improve the teaching quality of college English courses in China.
Modern educational statistical methods are widely used in CET-4 and CET-6, and the scores are treated equally, so the significance of the scores in previous exams remains unchanged. College English test has been recognized by the society and has become one of the standards for recruiting college graduates by personnel departments at all levels, which has produced certain social benefits.