AMERICAN rock band Imagine Dragons was the big winner at the 2014 Billboard Awards. They led the pack (领先群雄) with 12 nominations (提名) and finally won five awards, including Top Rock Artist, Top Group, and Top Hot 100 Artist. Their songs have become popular around the world, especially their music for films. Ready Aim Fire is one of them. It is for the movie Iron Man 3 (《钢铁侠3》). The song is powerful and touching. Its lyrics are inspiring (鼓舞人心的). It tells that everyone could be Iron Man only if they are brave enough to fight for their beliefs (信仰).