وَرَبُّكَwarabbukaAnd your Lordيَعْلَمُyaʿlamuknowsمَاmāwhatتُكِنُّtukinnuconcealsصُدُورُهُمْṣudūruhumtheir breastsوَمَاwamāand whatيُعْلِنُونَyuʿ'linūnathey declareYour Lord knows what is concealed in their chests and what they declare.