come down
  下降,下跌,下來,降落
  come down
       v 1: move downward and lower, but not necessarily all the way;
            "The temperature is going down"; "The barometer is
            falling"; "The curtain fell on the diva"; "Her hand went
            up and then fell again" [syn: descend, fall, go
            down] [ant: rise, ascend]
       2: be the essential element; "The proposal boils down to a
          compromise" [syn: reduce, boil down]
       3: fall from clouds; "rain, snow and sleet were falling";
          "Vesuvius precipitated its fiery, destructive rage on
          Herculaneum" [syn: precipitate, fall]
       4: get sick; "She fell sick last Friday, and now she is in the
          hospital" [syn: sicken]
       5: criticize or reprimand harshly; "The critics came down hard
          on the new play"