فضربنا على آذانهم في الكهف سنين عددا (18:11) بالانجليزي

﴿فَضَرَبْنَا عَلَىٰ آذَانِهِمْ فِي الْكَهْفِ سِنِينَ عَدَدًا﴾
[ الكهف: 11]

So We cast [a cover of sleep] over their ears within the cave for a number of years.

عبد الله يوسف علي

Then We draw (a veil) over their ears, for a number of years, in the Cave, (so that they heard not):

تقي الدين الهلالي

Therefore We covered up their (sense of) hearing (causing them, to go in deep sleep) in the Cave for a number of years.

صفي الرحمن المباركفوري

Therefore, We covered up their hearing in Al-Kahf for a number of years.