54:16
فَكَيْفَ كَانَ عَذَابِى وَنُذُرِ
fakayfa kāna ʿadhābī wanudhuri
And how [severe] were My punishment and warning.
— Saheeh International
How [terrible] was My punishment and [the fulfilment of] My warnings!
— M. A. S. Abdel Haleem
Then how (terrible) was My Torment and My Warnings?
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali