According to Google's Search Advocate, John Mueller;
"Assuming that you have content in German and English, whether or not it's a comparable substance anyway interpreted, that isn't duplicate substance. It's foreign words. Foreign words on the page. These are understandings or interpretations, so it's not ordinarily a duplicate.
However, you should note that;
Content translated by humans is better than auto-generated translation content as machines can't help you with keywords to rank in search engines. so it's better to hire a translation company to construct language-rich and instructive meaningful content.