slump /ˈslʌmp/
 暴跌,意氣消沈(vi.)猛然掉落,陷入,消沈


 Slump, n.
 1. A boggy place. [Prov. Eng. & Scot.]
 2. The noise made by anything falling into a hole, or into a soft, miry place. [Scot.]
 3. A falling or declining, esp. suddenly and markedly; a falling off; as, a slump in trade, in stock market prices, in a batter's average, etc. [Colloq.]

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 Slump, v. i. [imp. & p. p. Slumped p. pr. & vb. n. Slumping.]
 1. To fall or sink suddenly through or in, when walking on a surface, as on thawing snow or ice, partly frozen ground, a bog, etc., not strong enough to bear the person.
    The latter walk on a bottomless quag, into which unawares they may slump.   --Barrow.
 2. To slide or slip on a declivity, so that the motion is perceptible; -- said of masses of earth or rock.
 3.  To undergo a slump, or sudden decline or falling off; as, the stock slumped ten points. [Colloq.]


 Slump n.  The gross amount; the mass; the lump. [Scot.]


 Slump, v. t.  To lump; to throw into a mess.
    These different groups . . . are exclusively slumped together under that sense.   --Sir W. Hamilton.


 slump
      n 1: a noticeable deterioration in performance or quality; "the
           team went into a slump"; "a gradual slack in output"; "a
           drop-off in attendance"; "a falloff in quality" [syn: slack,
            drop-off, falloff, falling off]
      2: a long-term economic state characterized by unemployment and
         low prices and low levels of trade and investment [syn: depression,
          economic crisis]
      v 1: assume a drooping posture or carriage [syn: slouch]
      2: fall or sink heavily; "He slumped onto the couch"; "My
         spirits sank" [syn: slide down, sink]
      3: fall heavily or suddenly; decline markedly; "The real estate
         market fell off" [syn: fall off, sink]
      4: go down in value; "the stock market corrected"; "prices
         slumped" [syn: decline, correct]