Following are a number of back-translations as well as a sample translation for translators of Exodus 34:6:

• Kupsabiny: “Then, God came and passed in front of Moses saying that, ‘I am God, God of mercy who cries with (shows mercy to) people. I am not short tempered, I love people and I can be trusted.” (Source: Kupsabiny Back Translation)
• Newari: “And then going near him
  the Lord said like this,
  ‘The Lord, the Lord is the compassionate who loves,
  slow to anger
  and the most faithfulness.” (Source: Newari Back Translation)
• Hiligaynon: “The LORD passed in front of Moises and said, ‘I am the LORD, the God who (is) merciful and takes-an-interest-in-the-welfare (of others). I am loving and faithful, and not easily get-angry.” (Source: Hiligaynon Back Translation)
• Bariai: “And the Chief went close to Moses, and then called like this, ‘I am the Chief, I and the Chief. I am God, the man of compassion and man of feeling sorry. And I don’t get angry quickly. I will be following the practice of love/liking and of faithfulness (lit. of a straight eye) always.” (Source: Bariai Back Translation)
• Opo: “The Lord pass him in front, calling his name like this «They call me namely Yahweh, who be merciful, who be good heart, who not still be angry, who love with truth filling running down,” (Source: Opo Back Translation)
• English: “Then Yahweh passed in front of him/me and proclaimed, ‘I am Yahweh God. I always act mercifully and kindly toward people. I do not get angry quickly. I truly love people and I do what I promise to do for them, without changing.” (Source: Translation for Translators)