La-Di-Da Productions出版者
La-Di-Da Recordings唱片名
let us fly-ay-ay-ay la-di-da-di-da-di-dah让我们飞翔
Ob-La-Di Ob-La-Da蔷薇姑娘
ADJ（形容词） If you describe someone as la-di-da, you mean that they have an upper-class way of behaving, which you think seems unnatural and is only done to impress people. 故作上流人士姿态的; 故充高雅的 [老式]
I wouldn't trust them in spite of all their la-di-da manners.
尽管他们处处显得很高雅的样子，我还是不相信他们。