وَاِنَّwa-innaAnd indeedرَبَّكَrabbakayour Lordلَيَعْلَمُlayaʿlamusurely knowsمَاmāwhatتُكِنُّtukinnuconcealsصُدُورُهُمْṣudūruhumtheir breastsوَمَاwamāand whatيُعْلِنُونَyuʿ'linūnathey declareYour Lord knows what is concealed in their chests and what they reveal.