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
Călaurĭa: (Călaurēa, Ov. M. 7, 384), ae, f., = Καλαύρεια or 'ία,
I an island on the eastern coast of Argolis, now Poro, Mel. 2, 7, 10; Plin. 4, 12, 19, § 56.—Consecrated to Latona, hence, Calaurea Latois, Ov. l. l.