Tom, Dick and Harry 随便什么人

　　Keep an ear to the ground 保持高度警觉

　　On top of the world 幸福至极

　　Making the grade 达标了

　　As good as gold(表现)很乖

　　Hands-on 亲自动手

　　To go out with a bang 圆满结束

　　Like a duck to water 如鱼得水