32 Heb “If he”; the referent (a person who is a sinner) has been specified in the translation for clarity. The subject of the first verb is understood as the sinner who fails to repent of his ways and becomes the target of God’s judgment (vv. 9, 14–16).
33 Heb “if he does not return, his sword he sharpens.” The referent (God) of the pronominal subject of the second verb (“sharpens”) has been specified in the translation for clarity.
34 Heb “his bow he treads and prepares it.” “Treading the bow” involved stepping on one end of it in order to string it and thus prepare it for battle.
35 Heb “and for him he prepares the weapons of death.”
36 Heb “his arrows into flaming [things] he makes.”

In other versions

If a man does not repent, God will whet his sword;

he has bent and readied his bow;

he has prepared for him his deadly weapons,

making his arrows fiery shafts.

If he does not relent,

he will sharpen his sword;

he will bend and string his bow.

He has prepared his deadly weapons;

he makes ready his flaming arrows.

If anyone does not repent,

he will sharpen his sword;

he has strung his bow and made it ready.

He has prepared his deadly weapons;

he tips his arrows with fire.

If a person does not repent,

God will sharpen his sword;

he will bend and string his bow.

He will prepare his deadly weapons

and shoot his flaming arrows.

If he does not repent, he will sharpen his sword.

He has bent his bow and he has strung it.

And he has prepared for him weapons of death.

He has made his arrows fiery shafts.

If he turn not, he will whet his sword;

He hath bent his bow, and made it ready.

He hath also prepared for him the instruments of death;

He ordaineth his arrows against the persecutors.

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