وَمَا كَانَ صَلَاتُهُمْ عِندَ ٱلْبَيْتِ إِلَّا مُكَآءً وَتَصْدِيَةً فَذُوقُوا۟ ٱلْعَذَابَ بِمَا كُنتُمْ تَكْفُرُونَ
Saheeh International(35) And their prayer at the House [i.e., the Kaʿbah] was not except whistling and handclapping. So taste the punishment for what you disbelieved [i.e., practiced of deviations].
English Translation - Rowwad Translation CenterTheir prayer at the Sacred House was nothing but whistling and clapping. So taste the punishment[20] for your disbelief.
English Translation - Hilali and Khan35. Their Salât (prayer) at the House (of Allâh, i.e. the Ka‘bah at Makkah) was nothing but whistling and clapping of hands. Therefore taste the punishment because you used to disbelieve.