πικρὸν με ἀπαιτεῖς ἐνοίκιον → you ask too much of me, you demand a bitter rent from me
bĕber: bri. m.,I the beaver (late Lat. for fiber), Schol. Juv. 12, 34.—Hence, bē̆brī-nus, a, um, adj., of the beaver, beaver-, Schol. Juv. 2, 106.