οὐ πάνυ ἐστὶ ῥᾴδιον ταῖς τούτων παρασκευαῖς ἀνταγωνίζεσθαι
From LSJ
ἀμβλύς εἰμι καὶ κατηρτυκὼς κακῶν → I'm jaded and with much experience of evils
ἀμβλύς εἰμι καὶ κατηρτυκὼς κακῶν → I'm jaded and with much experience of evils
it is not at all easy to meet the tactics of these men
