8:35
وَمَا كَانَ صَلَاتُهُمْ عِنْدَ الْبَیْتِ اِلَّا مُكَٓاءً وَتَصْدِیَةًؕ فَذُوقُوا الْعَذَابَ بِمَا كُنْتُمْ تَكْفُرُونَ
Wama kana salatuhum AAinda albayti illa mukaan watasdiyatan fathooqoo alAAathaba bima kuntum takfuroona
Translations
And their prayer at the House was not except whistling and handclapping. So taste the punishment for what you disbelieved
Saheeh International
And their worship at the (holy) House is naught but whistling and hand-clapping. Therefore (it is said unto them): Taste of the doom because ye disbelieve
Marmaduke Pickthall