How to use Hype in English while keeping macOS in French?

Because the FR translation is really bad in various areas.
Thank you.

Maybe:

Ha! I don't have that feature, my training Mac is not yet on Catalina.
Thank you.

Is it a setting that could be selected from the app itslef, no? Other apps allow it.

Set in English.
Ha, what a relief, now we are talking no nonsense.

As I mentioned via email - we're definitely happy to get corrections and suggestions to improve the translation. The feedback has typically been positive, but our translation service may be missing some nuance in detail without domain experience. Feel free to send corrections.

If you're on an earlier OS, you can use a tool like this to just change for a specific app: