śokena - due to bereavement; śuṣyat-vadana - drying up of the mouth; hṛt-sarojaḥ - lotuslike heart; hata - lost; prabhaḥ - bodily luster; vibhum - the Supreme; tam - unto Lord Kṛṣṇa; eva - certainly; anusmaran - thinking within; na - could not; aśaknot - be able; pratibhāṣitum - properly replying.

Due to grief, Arjuna’s mouth and lotuslike heart had dried up. Therefore his body lost all luster. Now, remembering the Supreme Lord, he could hardly utter a word in reply.