Question

be difficult doing sth和be hard to do sth的区别？

be difficult doing something和be hardly to do sth的区别

Answer 1

difficult与hard用作形容词时，均可表示“困难的”之意，一般情况下能互换，但两者之间也有区别：
1.
difficult习惯用来修饰需要运用智慧和技巧才能解决的问题，其程度要比hard深。
eg.
The question is too difficult for me to answer.
这个问题对我来说太难了，我答不出来。
We don't think it's difficult to learn a foreign language well .
我们认为学好一门外语并不难。
2.
hard习惯用来指体力和精神方面所感受到的困难与艰苦，程度没有difficult深，但语气比difficult强，多用于口语.
eg.
These apples are hard to reach. 这些苹果难够着。
It's hard to keep this secret. 很难保守这个秘密。
3.
hard用作形容词时，还有“坚硬的”“严厉的”“冷酷无情的”之意，而difficult则没有.
eg.
I like hard chairs. 我喜欢坐硬座椅。
Don”t be too hard on her. 别对她太严厉了。
4.
hard还能用作副词，意为“努力地”，而difficult 则无此意。
eg.
Think hard and work hard. 认真思考，努力工作。