Ask at the forum if you have an Ancient or Modern Greek query!

οὐχ ἥκιστα

From LSJ

Γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ → The fool laughs even when there's nothing to laugh at

Menander

Greek > English (Woodhouse)

especially, not a little