difícil de entender
From LSJ
τὸ μὲν εὖ πράσσειν ἀκόρεστον ἔφυ πᾶσι βροτοῖσιν → all mortals have by nature an insatiable appetite for success, our mortal state with bliss is never satiate, success is something for which humanity is insatiatable
Spanish > Greek
δυσχερής, δυσδιέξοδος, δυσήκοος, δυσθήρατος, δυσεύρετος, δυσδιανόητος, δυσκατανόητος, δυσξύνετος, δυσεπινόητος, δυσμαθής, δυσνόητος, δυσκατάληπτος, δυσκαταμάθητος, δυσπαρακολούθητος, δυσθεώρητος, ἀπόκρυφος