用心

• 読み: ようじん
• ローマ字: youjin
• 漢字の分解: 用 (yō) — use, employ; 心 (shin/jin) — heart, mind
• 発音: /joː.dʑiɴ/

意味

Caution; precaution; vigilance. Being careful to avoid danger or trouble.

A noun that also functions as a suru verb (用心する). Used for being careful and watchful. Common expression 火の用心 (be careful of fire) is called out by neighbourhood watch patrols. Often appears as 用心深い (cautious, prudent). Can describe both physical safety precautions and general wariness.

例文

1. 夜道は用心して歩いたほうがいい。
2. 用心深い人はいつも鍵を二重にかける。
3. 風が強い日は火の用心が大切だ。

使い方ガイド

場面: safety, daily life, travel

トーン: cautionary

起源と歴史

Compound of 用 (yō, use/employ) and 心 (jin/shin, heart/mind). Literally 'employing the mind' — keeping one's mind actively engaged for safety.

文化的背景

時代: Classical

世代: All ages

社会的背景: Universal