Yusuf Ali
And those who guard (the sacredness) of their worship;-

Sahih International
And those who [carefully] maintain their prayer:

Shakir
And those who keep a guard on their prayer,

Pickthall
And those who are attentive at their worship.

محمد جالندھری
اور جو اپنی نماز کی خبر رکھتے ہیں