They said, “Build a furnace and throw him into the burning (fire)!”
Sayyed Abbas Sadr-Ameli
They said: Build for him a furnace, then cast him into the burning fire .
Al-muntakhab fi tafsir al-Qur'an al-Karim
Offended as they seemed, they decided to get rid of him and so they said: "Build for him a chamber full of combustibles and cast him into the blazing fire"