οὔ μοι μέλει
From LSJ
Χαίρειν ἐπ' αἰσχροῖς οὐδέποτε χρὴ πράγμασιν → Non decet in rebus esse laetum turpibus → In schlimmer Not ist Freude niemals angebracht
Greek > English (Woodhouse)
I do not care, I do not mind, I do not trouble, I take no interest in, it is indifferent to me