Commentary explaining the meaning of the ayahs. One passage often covers several ayahs, so neighbouring ayahs can show the same text.
Tafseer Al Saadi - Arabic tafsir for Surah Al-Muddaththir — Ayah 45
وَكُنَّا نَخُوضُ مَعَ ٱلۡخَآئِضِينَ ٤٥
{ وَكُنَّا نَخُوضُ مَعَ الْخَائِضِينَ } أي: نخوض بالباطل، ونجادل به الحق،