וְשָׁכַ֨ב אִ֣ישׁ אֹתָהּ֮ שִׁכְבַת־זֶרַע֒ וְנֶעְלַם֙ מֵעֵינֵ֣י אִישָׁ֔הּ וְנִסְתְּרָ֖ה וְהִ֣יא נִטְמָ֑אָה וְעֵד֙ אֵ֣ין בָּ֔הּ וְהִ֖וא לֹ֥א נִתְפָּֽשָׂה׃
Que alguno se hubiere echado con ella en carnal ayuntamiento, y su marido no lo hubiese visto por haberse ella contaminado ocultamente, ni hubiere testigo contra ella, ni ella hubiere sido cogida en el acto;
Rashi on Numbers
ושכב איש AND A MAN LIETH [WITH HER] — a man, thus excluding a minor and a being that does not come under the term איש (i. e., an animal) (Sifrei Bamidbar 7:2; Sotah 24a).
Sforno on Numbers
ושכב איש אותה, and another man has lain with her It is characteristic of the evil urge to cause the sinner to proceed from a relatively mild sin to ever more serious sins.
Rashbam on Numbers
ועד אין בה, to testify that she had been guilty of adultery,