وَإِنَّهُۥ لَحَسْرَةٌ عَلَى ٱلْكَٰفِرِينَ
English Translation
And indeed, it will be [a cause of] regret upon the disbelievers.
English Transliteration
Wainnahu lahasratun AAala alkafireena
Tafsir of Verse 50
Surely it is a sorrow to the unbelievers;
But truly (Revelation) is a cause of sorrow for the Unbelievers.