فإن خفتم فرجالا أو ركبانا فإذا أمنتم فاذكروا الله كما علمكم ما لم تكونوا تعلمون
Fa-in khiftum farijalan aw rukbananfa-itha amintum fathkuroo Allaha kamaAAallamakum ma lam takoonoo taAAlamoon
Sahih International
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.
Muhsin Khan
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).
Pickthall
And if ye go in fear, then (pray) standing or on horseback. And when ye are again in safety, remember Allah, as He hath taught you that which (heretofore) ye knew not.
Yusuf Ali
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).
Shakir
But if you are in danger, then (say your prayers) on foot or on horseback; and when you are secure, then remember Allah, as. He has taught you what you did not know.
Dr. Ghali
Yet, in case you fear (the enemy), then (pray) afoot or riding; so when you are secure, then remember Allah, as He taught you that (i.e., the prayers) which you did not know.