You can use the new "Translate" feature in XF2.
It's still a fairly manual process, but it is easier because of how the list of phrases is laid out, and how they can be saved without a page reload.
Start by going to "Search phrases" under Appearance in the Admin CP.
Select XenForo Resource Manager as the add-on and search for phrases containing the text "resource". Then instead of clicking "Search" click "Translate" instead.