New King James Version
Then said I: “Ah, Lord GOD! Behold, I cannot speak, for I am a youth.”

King James Bible
Then said I, Ah, Lord GOD! behold, I cannot speak: for I am a child.

American Standard Version
Then said I, Ah, Lord Jehovah! behold, I know not how to speak; for I am a child.

Berean Study Bible
“Ah, Lord GOD,” I said, “I surely do not know how to speak, for I am only a child!”

Douay-Rheims Bible
And I said: Ah, ah, ah, Lord God: behold, I cannot speak, for I am a child.

English Revised Version
Then said I, Ah, Lord GOD! behold, I cannot speak: for I am a child.

World English Bible
Then I said, "Ah, Lord Yahweh! Behold, I don't know how to speak; for I am a child."

Young's Literal Translation
And I say, 'Ah, Lord Jehovah! lo, I have not known -- to speak, for I am a youth.'

Jeremiah 1:6 Additional Translations ...