avadhīn niśi bālakān

ma enam-never unto him; partha-O Arjuna; arhasi-ought to; tratum-give release; brahma-bandhum-a relative of a brahmana; imam-him; jahi-kill; yah-he (who has); asau-those; anagasah-faultless; suptan-while sleeping; avadhit-killed; nisi-at night; balakan-the boys.