Following are a number of back-translations as well as a sample translation for translators of Jeremiah 4:21:

• Kupsabiny: “For how long would I see the flag/banner of war
  and for how long shall the horn make noise?” (Source: Kupsabiny Back Translation)
• Hiligaynon: “Until when shall I see the banner of war and heard the sound of the trumpet?’” (Source: Hiligaynon Back Translation)
• English: “How long will this battle continue?
  How long will I continue to see the enemy battle flags
  and hear the sound of their trumpets being blown?” (Source: Translation for Translators)