وَحيلَ بَينَهُم وَبَينَ ما يَشتَهونَ كَما فُعِلَ بِأَشياعِهِم مِن قَبلُ ۚ إِنَّهُم كانوا في شَكٍّ مُريبٍ

A barrier was placed between them and what they desire, just as was done with their past counterparts. They were in disquieting doubt.