na-adjective
eager to study; enthusiastic about research; studious
Describes a person who is deeply engaged in academic study or research. Often used as a positive character trait.
彼は研究熱心な学生だ。
He is a student who is eager to study.
研究熱心な姿勢が評価された。
Her enthusiastic attitude toward research was praised.
勉強熱心 emphasizes diligence in general study or schoolwork, while 研究熱心 focuses more on research or in-depth investigation.
Compound of 研究 (research) and 熱心 (enthusiasm, zeal).