battle cry
  吶喊,戰鬥口號
  battle cry
       n 1: a yell intended to rally a group of soldiers in battle [syn:
             war cry, war whoop, rallying cry]
       2: a slogan used to rally support for a cause; "a cry to arms";
          "our watchword will be `democracy'" [syn: war cry, rallying
          cry, cry, watchword]