(idiomatic) "pearls to swine" → to cast pearls before swine

white wine

high-class; luxury; exclusive / high-ranking

high class, luxury / a high rank / high-end, upscale

pearl

a female given name / a surname

wine

白ワイン: white wine

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