Following are a number of back-translations as well as a sample translation for translators of Job 41:23:

• Kupsabiny: “Its body is very firm/strong,
  like metal/iron that cannot be moved.” (Source: Kupsabiny Back Translation)
• Newari: “His flesh has been tightly joined,
  it cannot be moved, even slightly.” (Source: Newari Back Translation)
• Hiligaynon: “Even his flesh is tight and hard.” (Source: Hiligaynon Back Translation)