οὐ μὴν ἀλλά

English (LSJ)

A nevertheless, notwithstanding, yet, still, ἀληθῆ μέν ἐστι τὰ πολλά, οὐ μὴν ἀλλ' ἴσως οὐχ ἡδέ' ἀκούειν D.4.38, cf. 1.4, 2.22; so οὐ μὴν ἀλλά… γε, Pl.Grg. 449b, Plt.263b.
II οὐ μὴν ἀλλὰ καί... not only so, but what is more, D.37.23, S.E.M.5.99.

Greek > English (Woodhouse)

not but that

Spanish

sin embargo