μὴ δὶς πρὸς τὸν αὐτὸν λίθον πταίειν → do not stumble twice on the same stone
P. and V. λυπηρός, βαρύς, ἀνιαρός, ἀλγεινός, ἐπαχθής, δυσχερής, ὀχληρός; see vexatious.
