资料来源 : pyDict

困难的,艰难的,不容易的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Difficult \Dif"fi*cult\, v. t.
   To render difficult; to impede; to perplex. [R.] --Sir W.
   Temple.

Difficult \Dif"fi*cult\, a. [From {Difficulty}.]
   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}.

资料来源 : WordNet®

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"