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
μονῶ, -όω (ΑΜ, Α ιων. τ. μουνῶ, -όω)βλ. μονώνω.