New Living Translation
so I replied by sending this message to them: “I am engaged in a great work, so I can’t come. Why should I stop working to come and meet with you?”

American Standard Version
And I sent messengers unto them, saying, I am doing a great work, so that I cannot come down: why should the work cease, whilst I leave it, and come down to you?

Berean Study Bible
So I sent messengers to them, saying, “I am doing a great work and cannot come down. Why should the work stop while I leave it to go down to you?”

Douay-Rheims Bible
And I sent messengers to them, saying: I am doing a great work, and I cannot come down, lest it be neglected whilst I come, and go down to you.

English Revised Version
And I sent messengers unto them, saying, I am doing a great work, so that I cannot come down: Why should the work cease, whilst I leave it, and come down to you?

King James Bible
And I sent messengers unto them, saying, I am doing a great work, so that I cannot come down: why should the work cease, whilst I leave it, and come down to you?

World English Bible
I sent messengers to them, saying, "I am doing a great work, so that I can't come down. Why should the work cease, while I leave it, and come down to you?"

Young's Literal Translation
And I send unto them messengers, saying, 'A great work I am doing, and I am not able to come down; why doth the work cease when I let it alone, and have come down unto you?'

Nehemiah 6:3 Additional Translations ...