Yusuf Ali
And We put coverings over their hearts (and minds) lest they should understand the Qur´an, and deafness into their ears: when thou dost commemorate thy Lord and Him alone in the Qur´an, they turn on their backs, fleeing (from the Truth).

Sahih International
And We have placed over their hearts coverings, lest they understand it, and in their ears deafness. And when you mention your Lord alone in the Qur'an, they turn back in aversion.

Shakir
And We have placed coverings on their hearts and a heaviness in their ears lest they understand it, and when you mention your Lord alone in the Quran they turn their backs in aversion.

Pickthall
And We place upon their hearts veils lest they should understand it, and in their ears a deafness; and when thou makest mention of thy Lord alone in the Qur´an, they turn their backs in aversion.

محمد جالندھری
اور ان کے دلوں پر پردہ ڈال دیتے ہیں کہ اسے سمجھ نہ سکیں اور ان کے کانوں میں ثقل پیدا کر دیتے ہیں۔ اور جب تم قرآن میں اپنے پروردگار یکتا کا ذکر کرتے ہو تو وہ بدک جاتے اور پیٹھ پھیر کر چل دیتے ہیں