gold dust
noun/ˈɡəʊld dʌst/
/ˈɡəʊld dʌst/
[uncountable]Idioms - gold in the form of powder
金粉；砂金；金末
Idioms
like gold dust
- (British English) difficult to find or obtain
难以找到；很难得到 - Tickets for the final are like gold dust.
决赛票很难弄到。
- Tickets for the final are like gold dust.