ὡς ἁπλῷ λόγῳ

From LSJ

πάτερ, ἄφες αὐτοῖς, οὐ γὰρ οἴδασιν τί ποιοῦσιν → father, forgive them, for they know not what they do

Source

Greek > English (Woodhouse)

in plain speech, in simple language, quite simply

Spanish

en una palabra