be over the moon 非常高兴，非常快活

She was over the moon about/with her new bike.

她得了辆新自行车，快乐极了。

moon over sb/sth 无望地思念

He spends all his time mooning over a girl at school.

他把所有时间都用来无望地思念学校里的一个女孩子。

many moons ago 很久以前

I think that builders are tending to complete the houses which they started many moons ago.

我认为建筑商们倾向于完成他们很久以前就开始建造的房子。

moon around 闲逛；懒散度日，虚度时光

She was mooning around the house all weekend.

整个周末她都在房子里闲呆着。