ὁ μὴ πεπλευκὼς οὐδὲν ἑόρακεν κακόν → anyone who hasn't sailed has never seen trouble
Ar. and P. τρώγειν, Ar. and V. βρύκειν (Euripides, Cyclops), Ar. μασᾶσθαι, κατατρώγειν, V. δάπτειν; see eat.
chew the cud: P. μηρυκάζειν (Aristotle).