Good News Translation
You could have allowed the righteous to destroy those ungodly people in battle; you could have wiped them out immediately with wild animals or with one harsh command.

New Revised Standard Version
though you were not unable to give the ungodly into the hands of the righteous in battle, or to destroy them at one blow by dread wild animals or your stern word.

Contemporary English Version
You did this, even though you could have let your own people destroy that evil nation, or you could have wiped them out all at once with fierce animals or with one harsh word.

New American Bible
Not that you were without power to have the wicked vanquished in battle by the righteous, or wiped out at once by terrible beasts or by one decisive word;

Douay-Rheims Bible
Not that thou wast unable to bring the wicked under the just by war, or by cruel beasts, or with one rough word to destroy them at once:

Not that thou wast unable to bring the wicked under the just by war, or by cruel beasts, or with one rough word to destroy them at once:

Wisdom 12:7
That the land which of all is most dear to thee, might receive a worthy colony of the children of God.

Wisdom 12:8
Yet even those thou sparedst as men, and didst send wasps forerunners of thy host, to destroy them by little and little.

Wisdom 12:10
But executing thy judgments by degrees, thou gavest them place of repentance, not being ignorant that they were a wicked generation, and their malice natural, and that their thought could never be changed.

Wisdom 12:11
For it was a cursed seed from the beginning: neither didst thou for fear of any one give pardon to their sins.