ESV: He set to work resolutely and built up all the wall that was broken down and raised towers upon it, and outside it he built another wall, and he strengthened the Millo in the city of David. He also made weapons and shields in abundance.
NIV: Then he worked hard repairing all the broken sections of the wall and building towers on it. He built another wall outside that one and reinforced the terraces of the City of David. He also made large numbers of weapons and shields.
NASB: And he resolutely set to work and rebuilt all of the wall that had been broken down and erected towers on it, and built another outside wall and strengthened the Millo in the city of David, and made weapons and shields in great numbers.
CSB: Then Hezekiah strengthened his position by rebuilding the entire broken-down wall and heightening the towers and the other outside wall. He repaired the supporting terraces of the city of David, and made an abundance of weapons and shields.
NLT: Then Hezekiah worked hard at repairing all the broken sections of the wall, erecting towers, and constructing a second wall outside the first. He also reinforced the supporting terraces in the City of David and manufactured large numbers of weapons and shields.
KJV: Also he strengthened himself, and built up all the wall that was broken, and raised it up to the towers, and another wall without, and repaired Millo in the city of David, and made darts and shields in abundance.
NKJV: And he strengthened himself, built up all the wall that was broken, raised it up to the towers, and built another wall outside; also he repaired the Millo in the City of David, and made weapons and shields in abundance.