public function getTranslation($nb_language)
    {
        $retval = false;

        $nb_language_id = nb_getMixedValue($nb_language, NABU_LANG_FIELD_ID);
        if (is_numeric($nb_language_id) || nb_isValidGUID($nb_language_id)) {
            $this->getTranslations();
            if ($this->translations_list->containsKey($nb_language_id)) {
                $retval = $this->translations_list->getItem($nb_language_id);
            }
        }

        return $retval;
    }