気きが抜ぬける

expression, ichidan verb

lose heart; lose motivation; be discouraged

Describes a drop in enthusiasm, spirit, or willpower, often after a setback or when something feels anticlimactic.

• 試し合あいに負まけて、すっかり気きが抜ぬけてしまった。

  After losing the match, I completely lost heart.

• 目もく標ひょうを達たっ成せいしたら気きが抜ぬけて、何なにもする気きが起おきない。

  Once I achieved my goal, I lost motivation and don't feel like doing anything.

expression, ichidan verb

go flat; become stale; lose fizz

Used for carbonated drinks that lose their fizz, or more broadly for anything that loses its freshness or energy. The 'exhausted' nuance is an extension of this flatness.

• 炭たん酸さん飲いん料りょうは開あけたままにしておくと気きが抜ぬける。

  If you leave a carbonated drink open, it goes flat.

• 長ながい会かい議ぎの後あとで、みんな気きが抜ぬけたようになっていた。

  After the long meeting, everyone seemed drained.