Read Exodus 5:23 Using Other Translations
For since I came to Pharaoh to speak in thy name, he hath done evil to this people; neither hast thou delivered thy people at all.
For since I came to Pharaoh to speak in your name, he has done evil to this people, and you have not delivered your people at all."
Ever since I came to Pharaoh as your spokesman, he has been even more brutal to your people. And you have done nothing to rescue them!”