Following are a number of back-translations as well as a sample translation for translators of Joel 3:10:

• Kupsabiny: “Make your hoes/plows to become swords,
  make your sickles become spears.
  Let (the/a) weakling say
  ‘I, too, am strong/fierce.’” (Source: Kupsabiny Back Translation)
• Newari: “Hammer your ploughshares into swords
  and make spears from your sickles.
  Let the weak say,
  "I am strong!"” (Source: Newari Back Translation)
• Hiligaynon: “[You (plur.)] make the tip of your (plur.) plows into swords and [you (plur.)] make your (plur.) thing-for-cutting/mowing into spears. Even the ones-who-are-weak must fight.” (Source: Hiligaynon Back Translation)
• Kankanaey: “Make-into swords your plows and (into) spears your sickles. Even the weak, it-is-necessary that he join-in-warring.” (Source: Kankanaey Back Translation)
• English: “Take your plows and make swords from them,
  and take your pruning knives and make spears from them.
  Even the weak people must also be like strong soldiers.” (Source: Translation for Translators)