difficult

difficult, hard

形容词 difficult:

1. not easy; requiring great physical or mental effort to accomplish or comprehend or endure
   同义词：hard
2. requiring much effort and trouble
3. difficult to manage or control
   同义词：unmanageable

1. The quest for gold was difficult.
   寻找金矿是很困难的。
2. So far as English is concerned, it is not so difficult as you might think.
   就英文而言，它并不像你所认为的那样难。
3. The child is going through a difficult phase.
   那孩子正经历困难的阶段。
4. It's difficult to recruit teachers of quality.
   要聘请到素质好的老师是很困难的。
5. I think he conducted himself admirably, considering the difficult circumstances.
   考虑到那种困难的情况，我认为他的表现令人钦佩。
6. It was difficult for us to decide which road to take.
   对我们来说，很难决定走哪一条路。
7. He found it difficult to stop smoking.
   他觉得戒烟是件难事。
8. She is just being difficult.
   她正在闹别扭呢。

dif.fi.cult

adj.（形容词）
Hard to do or accomplish; demanding considerable effort or skill; arduous:
难的：做或完成都很困难的；需要相当大的努力或技巧；艰难的：
例句：
.To entertain is far more difficult than to enlighten.(Anthony Burgess)See Synonyms at hard
.理解比知道难得多.(安东尼·伯吉斯)参见 hard

Hard to endure; trying:
困难的：难以忍受的；艰难的：
例句：
fell upon difficult times.
困难时期

Hard to comprehend or solve:
难以理解或解决的：
例句：
a difficult puzzle.
难解的谜语

Hard to please, satisfy, or manage:
不满的：难以满意、满足或管理的：
例句：
a difficult child.
难管教的小孩

Hard to persuade or convince; stubborn.
难弄的：难以说服的或信服；固执

来源：
Middle English
中古英语
back-formation from difficulte [difficulty] * see difficulty
源自 difficulte的逆构词 [困难] *参见 difficulty

【引伸】
dif.ficult.ly
adv.（副词）