51:11
ٱلَّذِينَ هُمْ فِى غَمْرَةٍ سَاهُونَ
alladhīna hum fī ghamratin sāhūna
Who are within a flood [of confusion] and heedless.
— Saheeh International
those steeped in error and unaware!
— M. A. S. Abdel Haleem
Who are under a cover of heedlessness (think not about the gravity of the Hereafter),
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali