فَإِنْ خِفْتُمْ فَرِجَالًا أَوْ رُكْبَانًا ۖ فَإِذَآ أَمِنتُمْ فَٱذْكُرُوا۟ ٱللَّهَ كَمَا عَلَّمَكُم مَّا لَمْ تَكُونُوا۟ تَعْلَمُونَ
fa-in khif'tum farijālan aw ruk'bānan fa-idhā amintum fa-udh'kurū l-laha kamā ʿallamakum mā lam takūnū taʿlamūna
And if you fear [an enemy, then pray] on foot or riding. But when you are secure, then remember Allāh [in prayer], as He has taught you that which you did not [previously] know.
— Saheeh International
If you are in danger, pray when you are out walking or riding; when you are safe again, remember God, for He has taught you what you did not know.
— M. A. S. Abdel Haleem
And if you fear (an enemy), perform Salât (pray) on foot or riding. And when you are in safety, offer the Salât (prayer) in the manner He has taught you, which you knew not (before).
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali