וְהֵם֙ לֹ֣א יָֽדְע֔וּ כִּ֥י שֹׁמֵ֖עַ יוֹסֵ֑ף כִּ֥י הַמֵּלִ֖יץ בֵּינֹתָֽם׃
Or ils ne savaient pas que Joseph les comprenaient, car il s’était servi d’un interprète.
Targum Jonathan on Genesis
But they knew not that Joseph understood (heard) the holy language; for Menasheh was interpreter between them.
Targum Jerusalem
But they knew not that Joseph heard in the holy language; for as an interpeter Menasheh stood between them.