Following are a number of back-translations as well as a sample translation for translators of Deuteronomy 29:2:

• Kupsabiny: “At that time Moses called all the people of Israel to come to one place and said to them, ‘You (plur.) have heard the words/things that God did to the king of Egypt, all his people, and also/even all his country.” (Source: Kupsabiny Back Translation)
• Newari: “Moses called all Israel together and said,
  You have seen all the work that the LORD has done in Egypt before you to Pharaoh, to all his officials and to all his land.” (Source: Newari Back Translation)
• Hiligaynon: “Moises summoned all the Israelinhon and told-(them), ‘You (plur.) yourselves have-seen all that the LORD has-done to the king of Egipto and to all his officials and to his entire nation.” (Source: Hiligaynon Back Translation)
• English: “Moses/I summoned all the Israeli people and said to them, ‘You saw for yourselves what Yahweh did to the king of Egypt and to his officials and to his entire country.” (Source: Translation for Translators)