New Living Translation
His command is backed by great power. No one can resist or question it.

American Standard Version
For the king's word hath power; and who may say unto him, What doest thou?

Berean Study Bible
For the king’s word is supreme, and who can say to him, “What are you doing?”

Douay-Rheims Bible
And his word is full of power: neither can any man say to him: Why dost thou so?

English Revised Version
Because the king's word hath power; and who may say unto him, What doest thou?

King James Bible
Where the word of a king is, there is power: and who may say unto him, What doest thou?

World English Bible
for the king's word is supreme. Who can say to him, "What are you doing?"

Young's Literal Translation
Where the word of a king is power is, and who saith to him, 'What dost thou?'

Ecclesiastes 8:4 Additional Translations ...