1.
Of, relating to, or involving a catastrophe.
大灾难的灾难的、与灾难有关的或卷入灾难的
2.
To get off the horns of this dilemma will not be easy.
摆脱这种进退两难的处境是困难的。
3.
The act of wrecking or the state of being wrecked.
遇难船只失事的过程或遇难的情况
4.
uncountable difficulties
无数的难题[困难]
5.
an elusive word
难捉模的，难记忆的（词）
6.
(informal) impressively difficult.
（非正式）令人难忘的困难。
7.
relieve suffering, hardship, etc among refugees
解除难民的痛苦、 苦难等
8.
The suffering of the refugees makes her heart sore.
难民的苦难使她心痛。
9.
Immutable as my regret.
就像我难解难释的冤屈。
10.
a knotty problem, question, etc
难以解决的疑难、 问题等.
11.
Difficult to perceive or grasp by the mind.
难懂的难以理解的或隐晦难懂的
12.
a difficult problem, language, translation
难题、 难学的语言、 难做的翻译
13.
Difficult to move or use;unwieldy.
难搬动的，难用的难于活动或使用的；笨拙的
14.
a difficult child, customer, boss, etc
难哄的小孩、 难对付的顾客、 难讨好的上司
15.
Really? That's unbelievable.
真的？真难以相信。
16.
an unmitigated disaster, scoundrel
十足的灾难、 坏蛋.
17.
an offense to the ear
刺耳 [难听] 的声音
18.
an imputation of greed
贪婪的毁谤[非难]