Al-Baqarah 2:105 ما يود الذين كفروا من اهل الكتاب ولا المشركين ان ينزل عليكم من خير من ربكم والله يختص برحمته من يشاء والله ذو الفضل العظيم ١٠٥

Manners in Speech

Allah forbade His believing servants from imitating the behavior and deeds of the disbelievers. The Jews used to use devious words that hide what they really meant. May Allah's curse be upon them. When they wanted to say, `hear us,' they would use the word Ra`ina, which is an insult