used when somebody is annoying you, because they seem to think they are more important than they really are 真可笑(用於譏諷自視過高惹人討厭的人) ‘We stayed at the Grand Hotel Imperial.’ ‘Well, la-di-da!’ 我們住在帝國大酒店。“嗯,啦-啦-啦!
Word Originlate 19th cent.: imitative of an affected manner of speech.