Read Exodus 10:10 Using Other Translations
And he said unto them, Let the LORD be so with you, as I will let you go, and your little ones: look to it; for evil is before you.
But he said to them, "The LORD be with you, if ever I let you and your little ones go! Look, you have some evil purpose in mind.
Pharaoh retorted, “The LORD will certainly need to be with you if I let you take your little ones! I can see through your evil plan.