diffcult
diffcult nothing还是nothing diffcult
a diffcult English problem
make life diffcult造句
make like diffcult造句
That is diffcult?
English is diffcult.Physics is more diffcult改为同义句
Can ______answer this diffcult question?
It is diffcult job(改为同义句)
That sounds fun/boring/diffcult/relaxing.
I find it diffcult to remember everything
it is too diffcult but so easy
hard和diffcult究竟有何区别?