a revolving door

to use / to employ / to make use of, to apply / to spend

strength / power / force

Western-style door

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

小次郎: a male given name

古人: a person from long ago / 個人: an individual / 故人: a deceased person

Alternative form of こじる (kojiru, “to pry; to prise”, ichidan conjugation)