New Living Translation
“But LORD!” Moses objected. “My own people won’t listen to me anymore. How can I expect Pharaoh to listen? I’m such a clumsy speaker!”

American Standard Version
And Moses spake before Jehovah, saying, Behold, the children of Israel have not hearkened unto me; how then shall Pharaoh hear me, who am of uncircumcised lips?

Berean Study Bible
But in the LORD’s presence Moses replied, “If the Israelites will not listen to me, then why would Pharaoh listen to me, since I am unskilled in speech?”

Douay-Rheims Bible
Moses answered before the Lord Behold the children of Israel do no hearken to me; and how will Pharao hear me, especially as I am of uncircumcised lips?

English Revised Version
And Moses spake before the LORD, saying, Behold, the children of Israel have not hearkened unto me; how then shall Pharaoh hear me, who am of uncircumcised lips?

King James Bible
And Moses spake before the LORD, saying, Behold, the children of Israel have not hearkened unto me; how then shall Pharaoh hear me, who am of uncircumcised lips?

World English Bible
Moses spoke before Yahweh, saying, "Behold, the children of Israel haven't listened to me. How then shall Pharaoh listen to me, who am of uncircumcised lips?"

Young's Literal Translation
and Moses speaketh before Jehovah, saying, 'Lo, the sons of Israel have not hearkened unto me, and how doth Pharaoh hear me, and I of uncircumcised lips?'

Exodus 6:12 Additional Translations ...