18:97
فَمَا ٱسْطَـٰعُوٓا۟ أَن يَظْهَرُوهُ وَمَا ٱسْتَطَـٰعُوا۟ لَهُۥ نَقْبًا
famā is'ṭāʿū an yaẓharūhu wamā is'taṭāʿū lahu naqban
So they [i.e., Gog and Magog] were unable to pass over it, nor were they able [to effect] in it any penetration.
— Saheeh International
Their enemies could not scale the barrier, nor could they pierce it,
— M. A. S. Abdel Haleem
So they [Ya’jûj and Ma’jûj (Gog and Magog)] could not scale it or dig through it.
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali