ācārya-gosāñire - unto Advaita Ācārya; prabhu - the Lord; kare - does; guru-bhakti - offering respects like a spiritual master; tāhāte - in that way; ācārya - Advaita Ācārya; baḍa - very much; haya - becomes; duḥkha-mati - aggrieved.

Lord Caitanya respected Advaita Ācārya as His spiritual master, but Advaita Ācārya Prabhu was greatly aggrieved by such behavior.