New Living Translation
You have made his sword useless and refused to help him in battle.

American Standard Version
Yea, thou turnest back the edge of his sword, And hast not made him to stand in the battle.

Berean Study Bible
You have bent the edge of his sword and have not sustained him in battle.

Douay-Rheims Bible
Thou hast turned away the help of his sword; and hast not assisted him in battle.

English Revised Version
Yea, thou turnest back the edge his sword, and hast not made him to stand in the battle.

King James Bible
Thou hast also turned the edge of his sword, and hast not made him to stand in the battle.

World English Bible
Yes, you turn back the edge of his sword, and haven't supported him in battle.

Young's Literal Translation
Also -- Thou turnest back the sharpness of his sword, And hast not established him in battle,

Psalm 89:43 Additional Translations ...