ねっしん熱心nesshin
1.

A state of being deeply committed to a particular task or pursuit, dedicating one's heart and effort wholeheartedly to achieve it.

2.

An intense passion for engaging in activities, reflecting a focused and undistracted dedication, often seen in the context of learning or practicing.

3.

The quality of exhibiting great enthusiasm and earnestness towards a subject or goal, characterized by a strong inner drive that fuels persistent effort.

Example:

この本は彼の熱心な研究の成果である。

ふねっしん不熱心funesshin
1.

The quality of lacking fervor or interest in tasks or activities, often resulting in minimal effort or engagement.

2.

The state of being disengaged or unenthusiastic, especially in regards to responsibilities or obligations.

3.

A disposition characterized by apathy or lack of motivation, leading to a casual or careless approach to endeavors.

4.

An attitude marked by a dismissive or half-hearted involvement in pursuits, reflecting a preference for disinterest over active participation.

けんきゅうねっしん研究熱心kenkyuunesshin
1.

Demonstrating a strong passion and enthusiasm for learning and researching, often showing a deep commitment to acquiring knowledge.

2.

Exhibiting a fervent curiosity and a proactive approach to exploring new ideas, topics, or fields of study.

3.

Characterized by a diligent and persistent mindset in seeking out information and understanding, often going beyond surface-level engagement.

べんきょうねっしん勉強熱心benkyounesshin
1.

学ぶことに強い興味を持ち、積極的に知識を深める姿勢を示すこと。

2.

目標に対して真剣に取り組み、多くの時間と努力を費やす態度を持っていること。

3.

講義や教材に対して常に意欲的で、自ら進んで学ぶ姿勢を持つこと。

4.

さまざまな学問や技術を習得する上で、非常に熱心に取り組む性格や態度。