The question is too difficult for him to answer的同义句是?The question ( )( )( )for him ( )( )

The question is too difficult for him to answer的同义句是?The question ( )( )( )for him ( )( )
The question is too difficult for him to answer的同义句是?
The question ( )( )( )for him ( )( )

The question is too difficult for him to answer的同义句是?The question ( )( )( )for him ( )( )
The question is too difficult for him to answer.
=The question (isn't easy enough) for him (to answer).

The question (is)(so)(difficult)for him(to)(answer)

The question (is) (very) (difficult) for him (to) (answer). 或者说 The question (is) (no) (easy) for him (to) (answer).