気きを入いれる

expression, ichidan verb

put one's heart into; do in earnest; concentrate on

Used when someone applies serious effort, focus, or dedication to a task. Often implies a shift from a casual or half-hearted approach to a committed one.

• 彼かれは仕し事ごとに気きを入いれて取とり組くんだ。

  He tackled his work with real dedication.

• そろそろ気きを入いれて勉べん強きょうしないと、試し験けんに落おちるよ。

  If you don't start studying seriously soon, you'll fail the exam.