ذٰلِكُمْdhālikumThatبِاَنَّـهُٓbi-annahu(is) becauseاِذَاidhāwhenدُعِيَduʿiyaAllah was invokedاللّٰهُl-lahuAllah was invokedوَحْدَهُwaḥdahuAloneكَفَرْتُمْۚkafartumyou disbelievedوَاِنْwa-inbut ifيُشْرَكْyush'rak(others) were associatedبِه۪bihiwith Himتُؤْمِنُواۜtu'minūyou believedفَالْحُكْمُfal-ḥuk'muSo the judgmentلِلّٰهِlillahi(is) with Allahالْعَلِيِّl-ʿaliyithe Most Highالْكَب۪يرِl-kabīrithe Most GreatThis is because when God Alone was mentioned, you rejected, but when partners were associated with Him, you acknowledged. Therefore, the judgment is for God, the Most High, the Most Great.