flak /ˈflæk/
 高射炮,對空炮火廣告,宣傳


 flak
      n 1: a slick spokesperson who can turn any criticism to the
           advantage of their employer [syn: flak catcher, {flack
           catcher, flack]
      2: intense adverse criticism; "Clinton directed his fire at the
         Republican Party"; "the government has come under attack";
         "don't give me any flak" [syn: fire, attack, flack,
         blast]
      3: artillery designed to shoot upward at airplanes [syn: antiaircraft,
          antiaircraft gun, flack, pom-pom, ack-ack, {ack-ack
         gun]