Yusuf Ali
Do they not then earnestly seek to understand the Qur´an, or are their hearts locked up by them?

Sahih International
Then do they not reflect upon the Qur'an, or are there locks upon [their] hearts?

Shakir
Do they not then reflect on the Quran? Nay, on the hearts there are locks.

Pickthall
Will they then not meditate on the Qur´an, or are there locks on the hearts?

محمد جالندھری
بھلا یہ لوگ قرآن میں غور نہیں کرتے یا (ان کے) دلوں پر قفل لگ رہے ہیں