إِذْ نَادَىٰ رَبَّهُۥ نِدَآءً خَفِيًّا
Saheeh International(3) When he called to his Lord a private call [i.e., supplication].
English Translation - Rowwad Translation CenterWhen he called upon his Lord in private.
English Translation - Hilali and Khan3. When he called out his Lord (Allâh) a call in secret.