Innanzitutto grazie mille per la tempestiva risposta!
Non riesco a far tradurre quelle stringhe.
Ti riporto quello che c'è scritto nel multilanguage:
"Srings to be translated with their translation in the language set above, multi line format, e.g: non_translated_string=translated_string.
Settings Help
Enter your language tag.
It's strongly advised that you use dummy unique language strings for those strings you are planning to translate, e.g: instead of using "Name" in your label, please use "NAME" or better "NAME_LABEL", this will make translations easier and more accurate.
Add your desired translation strings in multi line format.
This action should be placed the FIRST thing in any of your form events so that it's able to translate all strings in the actions and code.
Please pay attention that this action will do translations (text replacements) for ALL actions below it, this includes any action's content or configuration, for example, if its placed above the email action, it can change the TO address if it contains any string matches any of the translatable ones."