Following are a number of back-translations as well as a sample translation for translators of Job 40:23:

• Kupsabiny: “Even if the river of Jordan overflows that animal is not startled.
  It is calm/content/happy even if that water splashes over it.” (Source: Kupsabiny Back Translation)
• Newari: “Seeing the flooding river he will not be afraid.
  Even if the Jordan River came up to his mouth, he would be secure.” (Source: Newari Back Translation)
• Hiligaynon: “He is not afraid of the rushing river. He is just calm even-though as-if he is almost cover with the water of the River Jordan.” (Source: Hiligaynon Back Translation)