Following are a number of back-translations as well as a sample translation for translators of Jeremiah 18:13:

• Kupsabiny: “So God is saying,
  ‘Ask from every nation
  if they have seen something like this happen.
  The people of Israel have done something horrible/astounding.” (Source: Kupsabiny Back Translation)
• Hiligaynon: “Therefore this is what the LORD said: ‘Is there someone from the other nation who said like that? The Israel who is like a virgin female has-done detestable thing!” (Source: Hiligaynon Back Translation)
• English: “So, this is what Yahweh says:
  ‘Ask the people who live in other nations if they have ever heard of such a thing.
  My Israeli people, who have been pure like virgins, have done a terrible thing!” (Source: Translation for Translators)