聴ちょう講こう生せい

noun

auditor; auditing student

A student who attends a course without receiving official credit or a degree; common in university settings.

• 彼かれは聴ちょう講こう生せいとして大だい学がくの授じゅ業ぎょうに参さん加かしている。

  He is attending university classes as an auditing student.