a swing (hanging seat), a swingset / (archaic) swinging, something that swings, particularly a hanged person

空中ブランコ: trapeze

trapeze

performance

triumphant, proud / skilled

strong point / triumph / regular customer

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

cost-effectiveness, performance or quantity per cost