This problem is too hard for me to solve.
这个问题太难，我解决不了。
I do not believe this problem is too hard for her.
我不认为这道题对她来太难。
The problem with this approach is that in practice, it turns out to be way too hard to maintain 2 sets of properties.
很明显，这种方式的问题在于在实际应用中很难维护两套属性。
This problem is not too hard to solve.
这个问题并不难解决。
This problem is not too hard to solve.
这个问题并不难解决。
应用推荐