1.
Of a mysterious or obscure nature
"不可思议的,含糊难解的"
2.
two hours of unrelieved tedium
烦闷难解的两小时.
3.
relieve suffering, hardship, etc among refugees
解除难民的痛苦、 苦难等
4.
Immutable as my regret.
就像我难解难释的冤屈。
5.
a knotty problem, question, etc
难以解决的疑难、 问题等.
6.
Difficult to perceive or grasp by the mind.
难懂的难以理解的或隐晦难懂的
7.
a muddled explanation which was scarcely intelligible
难以理解的胡涂解释.
8.
The Problems Concerning Chinese Rural areas,Agriculture,Peasants and Their Solutions;
中国“三农”的无解、难解、必解与破解
9.
be inextricably involved (in a dispute) or locked in a struggle | be sentimentally attached to each other
难分（解）难解（分）
10.
Not easy to understand or analyze.
难懂的难于理解或分析的
11.
The pitfall is that the results will be difficult to interpret.
困难在于试验的结果将是难以解释的。
12.
a profitable meeting to resolve difficulties.
对解决困难有益的会议。
13.
It is difficult to understand comprehend his Behavior
很难理解他的行为。
14.
It's hard for me to make out what he was saying.
我很难理解他说的话。
15.
Your meaning is too dark for me.
你的意思我很难理解.
16.
She had great difficulty in understanding him.
她很难理解他说的话。
17.
What you wrote is out of my range
你所定的我难以理解。
18.
Be a neighBour to someone in distress
帮助某人解决他的困难