worth one's weight in gold
成語所屬單字gold
worth one's weight in gold — 慣用語
1. extremely useful, helpful, or valuable; so important that no price could fairly
1.慣用語
釋義
非常有價值；極其有用
extremely useful, helpful, or valuable; so important that no price could fairly measure their worth.
例句
A good assistant who solves problems before they get worse is worth their weight in gold.
During the power cut, this portable lamp was worth its weight in gold.