GOD'S WORD® Translation
I must go down and see whether these complaints are true. If not, I will know it."

American Standard Version
I will go down now, and see whether they have done altogether according to the cry of it, which is come unto me; and if not, I will know.

Berean Study Bible
I will go down to see if their actions fully justify the outcry that has reached Me. If not, I will find out.”

Douay-Rheims Bible
I will go down and see whether they have done according to the cry that is come to me: or whether it be not so, that I may know.

English Revised Version
I will go down now, and see whether they have done altogether according to the cry of it, which is come unto me; and if not, I will know.

King James Bible
I will go down now, and see whether they have done altogether according to the cry of it, which is come unto me; and if not, I will know.

World English Bible
I will go down now, and see whether their deeds are as bad as the reports which have come to me. If not, I will know."

Young's Literal Translation
I go down now, and see whether according to its cry which is coming unto Me they have done completely -- and if not -- I know;'

Genesis 18:21 Additional Translations ...