Surah Al-Kahf 18:103

قُلْ هَلْ نُنَبِّئُكُم بِٱلْأَخْسَرِينَ أَعْمَـٰلًا

Say, [O Muḥammad], "Shall we [believers] inform you of the greatest losers as to [their] deeds?

Translation: Saheeh International

Tafsir

Say ‘Shall We inform you who will be the greatest losers in regard to their works? al-akhsarīna a‘mālan a specification that happens to correspond to that which is specifically meant; and these losers are described in His words as being

Excerpt from Tafsir al-Jalalayn, commentary on 18:103, via Quran.com. The reader has the full commentary and 9 more tafsirs.