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
umrühren, agitare (tüchtig rühren, z.B. rutabulo ligneo). – permiscere (durcheinandermischen, z.B. arundine od. rutabulo ligneo).