shoot down
  打下
  shoot down
       v 1: move quickly and violently; "The car tore down the street";
            "He came charging into my office" [syn: tear, shoot,
             charge, buck]
       2: shoot at and force to come down; "the enemy landed several
          of our aircraft" [syn: down, land]
       3: thwart the passage of; "kill a motion"; "he shot down the
          student's proposal" [syn: kill, defeat, vote down, vote
          out]