γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ → the fool laughs even when there's nothing to laugh at
ἐναντιάζομαι: ἐναντιοῦμαι, Ἐφραὶμ ὁ Σύρος τ. 1, σ. 9F.