וַיְחַזֵּ֥ק יְהוָ֖ה אֶת־לֵ֣ב פַּרְעֹ֑ה וְלֹ֥א אָבָ֖ה לְשַׁלְּחָֽם׃
But the LORD hardened Pharaoh’s heart, and he would not let them go.
Targum Jonathan on Exodus
But the Lord made strong the design of Pharoh's heart, and he would not release them.
וַיְחַזֵּ֥ק יְהוָ֖ה אֶת־לֵ֣ב פַּרְעֹ֑ה וְלֹ֥א אָבָ֖ה לְשַׁלְּחָֽם׃
But the LORD hardened Pharaoh’s heart, and he would not let them go.