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
ἰσχναλέος, -α, -ον (Μ)ο ισχαλέος.[ΕΤΥΜΟΛ. < ἰσχνός + -αλέος].