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}]