āmi - I; bālaka-sannyāsī - a young sannyāsī; bhānda-manda - good and bad; nāhi - not; jāni - know; tomāra - your; āśraya - shelter; niluṅ - have taken; guru - spiritual master; kari' - taking as; māni - I accept.

“I am a young sannyāsī, and I actually have no knowledge of what is good and what is bad. Therefore I am taking shelter of you and accepting you as My spiritual master.