Quran 4:156 from Surah An-Nisaa on Divine Marvels.
وَبِكُفۡرِهِمۡ وَقَوۡلِهِمۡ عَلَىٰ مَرۡيَمَ بُهۡتَٰنًا عَظِيمٗا
English translation: And for their disbelief and their saying against Maryam a slander great
Transliteration: wabikuf'rihim waqawlihim ala maryama buh'tanan aziman