As busy as bee,as cool as a cucumber,as easy as pie,as happy

as busy as a bee 极忙碌（像蜜蜂一样忙碌）
as cool as a cucumber 极为冷静的（像黄瓜一样冷静）
as easy as a pie 极容易（像馅饼一样容易）
as happy as Larry格外高兴,对事情的进展很满意