CC Ādi 16.87

śuniyā prabhura vyākhyā digvijayī vismita
mukhe nā niḥsare vākya, pratibhā stambhita
Word for word: 
śuniyā — hearing; prabhura — of the Lord; vyākhyā — explanation; dig-vijayī — the champion; vismita — struck with wonder; mukhe — in the mouth; nā — did not; niḥsare — come out; vākya — words; pratibhā — ingenuity; stambhita — choked up.
Translation: 
After hearing the explanation of Lord Caitanya Mahāprabhu, the champion poet was struck with wonder. His cleverness stunned, he could not say anything.