حَافِظُوا عَلَى الصَّلَوَاتِ وَالصَّلَاةِ الْوُسْطَىٰ وَقُومُوا لِلَّهِ قَانِتِينَ
Hafithoo AAala alssalawati waalssalati alwusta waqoomoo lillahi qaniteena
Guard strictly [on] the prayers, and the prayer - [the] middle, and stand up for Allah devoutly obedient.
BE EVER mindful of prayers, and of praying in the most excellent way; and stand before God in devout obedience.
Guard strictly your (habit of) prayers, especially the Middle Prayer; and stand before God in a devout (frame of mind).
Be guardians of your prayers, and of the midmost prayer, and stand up with devotion to Allah.
Guard the prayers and the most excellent prayer, and stand up truly obedient to Allah.
Maintain with care the [obligatory] prayers and [in particular] the middle prayer and stand before Allah , devoutly obedient.