δυσεπίβολος
From LSJ
σκληρόν σοι πρὸς κέντρα λακτίζειν → it is hard for thee to kick against the pricks, it is hard for you to kick against the goads
English (LSJ)
ον,
A hard to assail, χώρα Aen.Tact.8.1 codd.; risky to undertake, πλοῦς Peripl. M.Rubr. 39; unsuccessful, Paul.Al.N.4.
German (Pape)
[Seite 679] schwer anzugreifen, Sp.
Greek (Liddell-Scott)
δυσεπίβολος: -ον, δυσπρόβλητος, Αἰν. Τακτ. 8.