noun, noun or participle which takes 'suru', intransitive verb
racing; idling; spinning without traction
Mechanical sense: an engine revving without load, or wheels spinning without gripping the surface.
雪道でタイヤが空回りして進めなかった。
The tires spun on the snowy road and we couldn't move forward.
クラッチが滑
The clutch is slipping and the engine is racing.
noun, noun or participle which takes 'suru', intransitive verb
going in circles; fruitless; getting nowhere
Figurative use: discussions, efforts, or thoughts that are unproductive or repetitive without reaching a conclusion.
会議は空回りして、何も決まらなかった。
The meeting went around in circles and nothing was decided.
焦るほど考えが空回りしてしまう。
The more I panic, the more my thoughts just spin fruitlessly.