https://techcrunch.com/2019/01/08/google-assistant-will-soon-be-able-to-act-as-your-interpreter/

Google Assistant has long been able to do quick, one-off translations – just say something like “Hey Google, how do I say ‘birthday’ in French?”

That doesn’t help much with actual conversations between people who speak different languages. For that, Google is building what they call “Interpreter Mode”