The Saheeh International Quran Translation
أَمْ لَمْ يَعْرِفُوا۟ رَسُولَهُمْ فَهُمْ لَهُۥ مُنكِرُونَ
تجهيز للطباعة
Or did they not know their Messenger, so they are toward him disacknowledging?