Question

I had no idea then that he was going abroad (begin: little)

Answer 1

I had little idea than that he was going abroad.
Hope it helps. ..........

Answer 2

Answer :

This question is based on determiners. Both 'no' and 'little' are determiners.

Cambridge English Dictionary defines 'no' as 'not any; not one; not a'

Cambridge English Dictionary defines 'little' as 'not much or enough.'

The given sentence 'I had no idea then that he was going abroad.' can be rewritten using the word 'little' in the following manner :

Little idea I had then that he was going abroad.