Surah Az-Zukhruf 43:79

أَمْ أَبْرَمُوٓا۟ أَمْرًا فَإِنَّا مُبْرِمُونَ

Or have they devised [some] affair? But indeed, We are devising [a plan].

Translation: Saheeh International

Tafsir

Or have they that is the disbelievers of Mecca contrived consolidated some matter? in plotting against the Prophet Muhammad (s). For We too are indeed contriving We too are consolidating Our plan to destroy them.

Excerpt from Tafsir al-Jalalayn, commentary on 43:79, via Quran.com. The reader has the full commentary and 9 more tafsirs.