used when somebody is annoying you, because they seem to think they are more important than they really are 真可笑(用于讥讽自视过高惹人讨厌的人) ‘We stayed at the Grand Hotel Imperial.’ ‘Well, la-di-da!’ 我们住在帝国大酒店。“嗯,啦-啦-啦!
Word Originlate 19th cent.: imitative of an affected manner of speech.