豚に真珠: pearls before swine

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

神授: giving from a god / 神樹: tree wherein a divine spirit reportedly resides; tree in the precinct of a shrine; tree of heaven / 真儒: Confucianist who has truly mastered the way of Confucianism

真珠: a female given name / 真珠: a surname

親授: (of a high-ranking person (especially an emperor)) give

(chiefly literary) truly; indeed; without doubt

pearl

white wine

high-class; luxury; exclusive / high-ranking

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