#[ORM\Table(name: 'article_translations')]
#[ORM\Index(name: 'article_translation_idx', columns: ['foreign_key', 'locale', 'object_class', 'field'])]
#[ORM\Entity(repositoryClass: TranslationRepository::class)]
class ArticleTranslation extends AbstractTranslation
{
    /**
     * All required columns are mapped through inherited superclass
     */
}

# services.yaml

  Gedmo\Translatable\Entity\Repository\TranslationRepository:
    factory: [ '@doctrine.orm.entity_manager', 'getRepository' ]
    arguments:
      - 'Gedmo\Translatable\Entity\Translation'

class SomeHandler
{
  public function __construct() {
    private TranslationRepository $translationRepository,
  }

  public function handle(...) {
    $this->translationRepository->translate($entity, "field", $locale, "Some value");
  }
}