Packages used:
Django==3.2.6
googletrans==3.1.0a0
Usage:
>>> from googletrans import Translator
>>> translator = Translator()
>>> tr = translator.translate('Bonjour je suis Elias.')
>>> tr.text
"Hello i'm Elias."
ps: This approach can be added to serializers or viewsets.
Also, it may be possible to add choices on fields as well.