American Standard Version
There was nothing left that he devoured not; Therefore his prosperity shall not endure.

Berean Study Bible
Nothing is left for him to consume; thus his prosperity will not endure.

Douay-Rheims Bible
There was nothing left of his meat, and therefore nothing shall continue of his goods:

English Revised Version
There was nothing left that he devoured not; therefore his prosperity shall not endure.

King James Bible
There shall none of his meat be left; therefore shall no man look for his goods.

World English Bible
There was nothing left that he didn't devour, therefore his prosperity shall not endure.

Young's Literal Translation
There is not a remnant to his food, Therefore his good doth not stay.

Job 20:21 Additional Translations ...