up·heav·al /ˌʌpˈhivəl, (ˌ)əˈpi-/
  舉起,隆起,大變動,劇變
  Up·heav·al n. The act of upheaving, or the state of being upheaved; esp., an elevation of a portion of the earth's crust.
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  upheaval
       n 1: a state of violent disturbance and disorder (as in politics
            or social conditions generally); "the industrial
            revolution was a period of great turbulence" [syn: turbulence,
             Sturm und Drang]
       2: a violent disturbance; "the convulsions of the stock market"
          [syn: convulsion, turmoil]
       3: (geology) a rise of land to a higher elevation (as in the
          process of mountain building) [syn: uplift, upthrow, upthrust]
       4: disturbance usually in protest [syn: agitation, excitement,
           turmoil, hullabaloo]