Language override

-- url of the page with the problem -- : www.montinibags.it/collezione/prodotto/2...n-pelle-marrone.html
-- HikaShop version -- : Business 2.3.4

Hi, I need to translate my custom field values.
After reading on the forum I'm trying to create some language constant and use them as custom field value like that:
MARRONE_CUOIO="Marrone Cuoio"
SI="Si"
NO="No"
OTTONE_VECCHIO="Ottone vecchio"

I've two questions:
1) is this the only way to translate custom field values?
2) it works for me only if I use only one entry/line and if I translate more than one term hikashop show me the constant instead of translated text (ex: VECCHIO_CUOIO instead of "Vecchio cuoio", see url please).

Where I'm wrong?
Thank you.

Hi, ok so this is the right way.
As you can see in the attachment, I've 4 entries in my language override window but it works only if I leave only one entry (the first one). If I insert more than one, hikashop show me not the translated text but the translation key (as seen in url).

So, this works and I get "blabla":
KEY = "blabla"

This NOT works and I get KEY, ANOTHERKEY and SOMEOTHERKEY:
KEY = "blabla"
ANOTHERKEY = "blablablabla"
SOMEOTHERKEY = "blablablablablabla"

Thank you.

Hello,
And where/how do you exactly use these key word ?

I need to translate all my custom field values (as you can see in url that I've posted), look at the custom field table under the price, you can see that 2 values are not translated and keys are showed insted (OTTONE_VECCHIO and MARRONE_CUOIO).

But I think that the problem is in the override window, because 1 line only works, more than one not.
thank you.