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
middle voice from πρός and ποιέω; to do forward for oneself, i.e. pretend (as if about to do a thing): make as though.
