My verses had already been recited to you, but you were turning back on your heels
The Saheeh International Quran Translation
قَدْ كَانَتْ ءَايَٰتِى تُتْلَىٰ عَلَيْكُمْ فَكُنتُمْ عَلَىٰٓ أَعْقَٰبِكُمْ تَنكِصُونَMy verses had already been recited to you, but you were turning back on your heels