فَيَأْتِيَهُم بَغْتَةً وَهُمْ لَا يَشْعُرُونَ
Saheeh International(202) And it will come to them suddenly while they perceive [it] not.
English Translation - Rowwad Translation Centerwhich will come upon them suddenly when they least expect it.
English Translation - Hilali and Khan202. It shall come to them of a sudden, while they perceive it not.