気がつく

• 読み: きがつく
• ローマ字: ki ga tsuku
• 漢字の分解: 気 (ki/ke) — spirit, mind, air, feeling
• 発音: /ki.ɡa.tsɯ.kɯ/

意味

To notice; to realise; to become aware of. Perceiving something previously unnoticed.

An idiomatic expression using the Group 1 (godan) verb つく (to attach). The pattern ～に気がつく means to become aware of something. Can also be written as 気が付く. Often used for mistakes (間違いに気がつく) and changes (変化に気がつく).

例文

1. 電車に傘を忘れたことに気がついた。
2. 彼女の変化に誰も気がつかなかった。
3. やっと自分の間違いに気がつきました。

使い方ガイド

場面: daily life, observation, mistakes

トーン: neutral

起源と歴史

An idiomatic expression combining 気 (awareness, spirit) with the particle が and the verb つく (to attach, to arrive). Literally means one's awareness attaches to something — to become conscious of it.

文化的背景

時代: Classical

世代: All ages

社会的背景: Universal