gold dust
noun [ U ] uk/?ɡ??ld ?d?st/ us/?ɡo?ld ?d?st/
金粉;砂金;金末
gold in powder form
Idiom
like gold dustidiom mainly UK 难以得到,不可多得
said about something that is very difficult to get because a lot of people want it
Tickets for the concert are like gold dust. 这场音乐会真是一票难求。


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