USELESSsomething that is completely useless, although it may have cost a lot of money 昂贵而无用的东西
When the theatre first opened it was widely regarded as a white elephant.
那家剧院刚开张时,大家都认为它是个奢侈的摆设。
Examples from the Corpus
white elephant• Saracenambassadors bring Charlemagne a white elephantcomplete with exotic trappings.• The dam has become something of a white elephant.• Cake and white elephantstallsplus a grandprize draw.• More spaces are needed at less cost not another white elephant office block.• What do you do with a hugewhite elephant like that?• There's this picturesquewhite elephantdevelopment on the Costa del Sol, apparently going for a song.
From Longman Business Dictionary
white elephantˌwhite ˈelephant noun [countableC]
something that is completely useless, even though it cost a lot of money
The hotel is unfinished and structurally unsound - a white elephant of epic proportions.
Originwhite elephant
(1800-1900) From the supposed practice of the King of Siam, who gave to people he did not like a white elephant, which cost a very large amount of money to keep