留りゅう年ねん生せい

noun

student repeating a year; student held back a grade

Refers to a student who must repeat the same school year or class, typically due to insufficient academic performance or attendance.

• 彼かれは単たん位いが足たりなくて留りゅう年ねん生せいになった。

  He didn't have enough credits and became a student repeating the year.