Learn Vocabulary in Context. nan nen sei. What grade are you in?
Definition of なんねんせい なんねんせい nannensei 【 何年生 】 何年生 Kanji. (exp) what grade (in school)
life, genuine, birth.
sannensei. Parts of speech noun (common) (futsuumeishi) student in his (her) third year; third-year student.
Nansai desu ka. How old are you?