poor academic performance; underachievement
Formal term used in educational contexts to describe a student's consistently low grades or lack of academic progress.
We need to analyze the causes of poor academic performance.
He repeated a year due to underachievement.
成績不振 refers to poor grades or results in a broader sense, while 学業不振 specifically refers to overall academic performance and progress.
学力低下 describes a decline in academic ability, often used for systemic or generational trends, whereas 学業不振 focuses on an individual's current poor performance.
Compound of 学業 (academic studies) and 不振 (dullness, slump). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning.