The question is too difficult for us to answer同义句转换 The question is --- --- --for us to answer如题

The question is too difficult for us to answer同义句转换 The question is --- --- --for us to answer如题
The question is too difficult for us to answer同义句转换 The question is --- --- --for us to answer
如题

The question is too difficult for us to answer同义句转换 The question is --- --- --for us to answer如题
The question is not easy enough for us to answer.

too hard

The question is too confusing for us to answer.

SO difficult