فإن خفتم فرجالا أو ركبانا فإذا أمنتم فاذكروا الله كما علمكم ما (2:239) بالانجليزي

﴿فَإِنْ خِفْتُمْ فَرِجَالًا أَوْ رُكْبَانًا ۖ فَإِذَا أَمِنتُمْ فَاذْكُرُوا اللَّهَ كَمَا عَلَّمَكُم مَّا لَمْ تَكُونُوا تَعْلَمُونَ﴾
[ البقرة: 239]

And if you fear [an enemy, then pray] on foot or riding. But when you are secure, then remember Allah [in prayer], as He has taught you that which you did not [previously] know.

عبد الله يوسف علي

If ye fear (an enemy), pray on foot, or riding, (as may be most convenient), but when ye are in security, celebrate Allah's praises in the manner He has taught you, which ye knew not (before).

تقي الدين الهلالي

And if you fear (an enemy), perfrom Salat (pray) on foot or riding. And when you are in safety, offer the Salat (prayer) in the manner He has taught you, which you knew not (before).

صفي الرحمن المباركفوري

And if you fear (an enemy), (perform Salah) on foot or riding. And when you are in safety, then remember Allah (pray) in the manner He has taught you, which you knew not (before).