it is difficult
parents found it is difficult/it difficult/it was difficult
it is difficult work
it is difficult
it is difficult at
It is difficult to find
find it difficult和find it is difficult的区别
Everythingt is difficult before it is
life is difficult as it is
it is difficult doing.sth造句
is it difficult to learn Japanese?
it is very difficult for me.
It is difficult to start a ().