Surah Al-Mu'minun 23:99

حَتَّىٰٓ إِذَا جَآءَ أَحَدَهُمُ ٱلْمَوْتُ قَالَ رَبِّ ٱرْجِعُونِ

[For such is the state of the disbelievers] until, when death comes to one of them, he says, "My Lord, send me back

Translation: Saheeh International

Tafsir

Until hattā is for inceptiveness when death comes to one of them and he sees his place in the Fire and his would-be place in Paradise had he been a believer he says ‘My Lord! Send me back arji‘ūn the plural person is used to indicate the gravity of the plea

Excerpt from Tafsir al-Jalalayn, commentary on 23:99, via Quran.com. The reader has the full commentary and 9 more tafsirs.