dif·fi·cult /ˈdɪfɪ(ˌ)kəlt/
 (a.)困難的,艱難的,不容易的


 Dif·fi·cult a.
 1. Hard to do or to make; beset with difficulty; attended with labor, trouble, or pains; not easy; arduous.
 Note: ☞ Difficult implies the notion that considerable mental effort or skill is required, or that obstacles are to be overcome which call for sagacity and skill in the agent; as, a difficult task; hard work is not always difficult work; a difficult operation in surgery; a difficult passage in an author.
    There is not the strength or courage left me to venture into the wide, strange, and difficult world, alone.   --Hawthorne.
 2. Hard to manage or to please; not easily wrought upon; austere; stubborn; as, a difficult person.
 Syn: -- Arduous; painful; crabbed; perplexed; laborious; unaccommodating; troublesome. See Arduous.


 Dif·fi·cult, v. t. To render difficult; to impede; to perplex. [R.]

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 difficult
      adj 1: not easy; requiring great physical or mental effort to
             accomplish or comprehend or endure; "a difficult
             task"; "nesting places on the cliffs are difficult of
             access"; "difficult times"; "a difficult child";
             "found himself in a difficult situation"; "why is it
             so hard for you to keep a secret?" [syn: hard] [ant:
              easy]
      2: requiring much effort and trouble; "the mountain climb was
         long, steep, and difficult"