لَهُمْ فِيهَا زَفِيرٌ وَهُمْ فِيهَا لَا يَسْمَعُونَ (100)
(21:100)There they will groan, *96 but they shall hear nothing (in response due to the roaring noise).
*96) The Arabic word ~i j (zafir) means `hard breathing' because of excessive heat, hard work and weariness.