空回り: idle an engine; waste effort

空回り: idling an engine; wasting effort

回り: circumference, perimeter, edge / 回り: via, by way of that place / 回り: the round of something or someone / 回り: a span of twelve years / 回り: a unit of size in clothing

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

a turn, times around something

to make a detour / to go around

idling (of an engine) / waste of time through fruitless effort

idle an engine / waste time through fruitless effort