熱心

• 読み: ねっしん
• ローマ字: nesshin
• 漢字の分解: 熱 (netsu) — heat, fever, passion; 心 (shin) — heart, mind
• 発音: /neɕ.ɕi.ɴ/

意味

Enthusiastic; eager; keen. Showing passionate dedication to something.

A na-adjective (熱心な) that describes devoted, passionate engagement with an activity or cause. Often used for teachers, students, or anyone deeply committed to their work. 熱心に (adverbial form) is very common for describing how someone does something.

例文

1. 彼は熱心に日本語を勉強している。
2. 熱心な先生のおかげで成績が上がった。
3. 社長は新しいプロジェクトに熱心だ。

使い方ガイド

場面: school, workplace, hobbies

トーン: positive

起源と歴史

Compound of 熱 (netsu, heat/passion) and 心 (shin, heart/mind). Literally means a heated heart — the burning enthusiasm of a passionate mind.

文化的背景

時代: Modern

世代: All ages

社会的背景: Universal