אַף־תָּ֭שִׁיב צ֣וּר חַרְבּ֑וֹ וְלֹ֥א הֲ֝קֵימֹת֗וֹ בַּמִּלְחָמָֽה׃
你又使他的刀鋒捲刃退回，也沒有使他在戰場上站立得住。
Rashi
You even turned back the sharp edge of his sword You turned back and reversed the sharp edge of his sword, as (Josh. 5:2): “sharp (צרים) knives,” and likewise (Isa. 54:17): “Any weapon whetted (יוצר) against you.”
Rashi
and You did not raise him up in battle And You did not hold him upright so that he should not fall.