And those who preserve their prayers.
They consistently observe their contact prayers (Salat) on time.
and who are constant in their prayers
And those who keep a guard on their prayer
And those who, they are on their prayers (they are) protecting/observing
Those who have overcome their impatient nature are the one who regularly worship God and…
And those who protect their prayers
And those who are strict in the observance of their Prayer
And those who safeguard their Prayers
And those persons who are strict in the observance of their Prayers
And those who guard their Salat (prayers) well