bang bang (spot) on
意：bang也可作为形容词。Spot与。。之间有或没有-”都可以。 意：千真万确!相当准确!正是如此!一点不错! 例.Bang on there, mate! This is just what I want! 没错，哥儿们!这正是我要的! Yvur answer's shot-on and you've won yourself $1fHl! 你答得非常正确，赢1 }(l美元!
