ἐπὶ ξυροῦ γὰρ ἀκμῆς ἔχεται ἡμῖν τὰ πρήγματα → our affairs are balanced on a razor's edge, our affairs are set upon the razor's edge
P. and V. ἀκίνητος, βέβαιος, ἀσφαλής.
firm: P. and V. καρτερός, V. ἔμπεδος; see firm.
not to be influenced: P. and V. ἀκίνητος, P. ἀπαραίτητος, Ar. and V. ἄτεγκτος, V. δυσπαραίτητος.