39:13
قُلْ إِنِّىٓ أَخَافُ إِنْ عَصَيْتُ رَبِّى عَذَابَ يَوْمٍ عَظِيمٍ
qul innī akhāfu in ʿaṣaytu rabbī ʿadhāba yawmin ʿaẓīmin
Say, "Indeed I fear, if I should disobey my Lord, the punishment of a tremendous Day."
— Saheeh International
Say, ‘I fear the torment of a terrible Day if I disobey my Lord.’
— M. A. S. Abdel Haleem
Say (O Muhammad صلى الله عليه وسلم): "Verily if I disobey my Lord, I am afraid of the torment of a great Day."
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali