وَإِذَا ضَرَبْتُمْ فِى ٱلْأَرْضِ فَلَيْسَ عَلَيْكُمْ جُنَاحٌ أَن تَقْصُرُوا۟ مِنَ ٱلصَّلَوٰةِ إِنْ خِفْتُمْ أَن يَفْتِنَكُمُ ٱلَّذِينَ كَفَرُوٓا۟ ۚ إِنَّ ٱلْكَـٰفِرِينَ كَانُوا۟ لَكُمْ عَدُوًّا مُّبِينًا ١٠١
And when you travel throughout the land, there is no blame upon you for shortening the prayer,[215] [especially] if you fear that those who disbelieve may disrupt [or attack] you.[216] Indeed, the disbelievers are ever to you a clear enemy.
Translator's notes
[215] The four rakʿah prayers are shortened to two rakʿahs. [216] The example of the Prophet (ﷺ) and his companions illustrates that fear is not a condition for this allowance, merely travel.
Saheeh International · QuranEnc v1.1.2
Another translation: Al-Hilali & Muhsin Khan · QuranEnc v1.1.2
101. And when you (Muslims) travel in the land, there is no sin on you if you shorten As-Salât (the prayer) if you fear that the disbelievers may put you in trial (attack you etc.), verily, the disbelievers are ever unto you open enemies.