Surah Taha 20:45

قَالَا رَبَّنَآ إِنَّنَا نَخَافُ أَن يَفْرُطَ عَلَيْنَآ أَوْ أَن يَطْغَىٰ

They said, "Our Lord, indeed we are afraid that he will hasten [punishment] against us or that he will transgress."

Translation: Saheeh International

Tafsir

The two of them said ‘Our Lord We truly fear that he may forestall us that is by hastening to punish us or become tyrannical’ against us that is be high-handed with us.

Excerpt from Tafsir al-Jalalayn, commentary on 20:45, via Quran.com. The reader has the full commentary and 9 more tafsirs.