If you are honest men, let one of your brothers stay here in prison, while the rest of you go and take grain back for your starving households.
NIV
If you are true men, let one of your brothers be bound in your prison, but [the rest of] you go and carry grain for those weakened with hunger in your households.
AMP
If ye be true men, let one of your brethren be bound in the house of your prison: go ye, carry corn for the famine of your houses:
KJV
Joseph said to them, "What is this you have done? Don't you know that a man like me can find things out by divination?"
NIV
Joseph said to them, What is this thing that you have done? Do you not realize that such a man as I can certainly detect and know by divination [everything you do without other knowledge of it]?
AMP
And Joseph said unto them, What deed is this that ye have done? wot ye not that such a man as I can certainly divine?
KJV