grantha - of the book; vistāra - of expansion; bhaye - being afraid; chāḍilā - gave up; ye ye sthāna - which different places; sei sei sthāne - in those places; kichu - something; kariba - I shall make; vyākhyāna - description.

Being afraid of his book’s becoming too voluminous, he left some places without vivid descriptions. I shall try to fill those places as far as possible.