also: ギヤをあげる
expression, ichidan verb
take things to the next level; move into a higher gear
Figurative expression derived from driving; used when someone increases effort, intensity, or performance to reach a higher stage.
プロジェクトの後半でチームはギアを上げた。
In the second half of the project, the team kicked it up a notch.
試合終盤、彼はギアを上げて一
Toward the end of the match, he shifted into a higher gear and attacked all at once.