gau2 si2 dong3 gon1 goeng1狗屎當乾薑狗屎当乾薑

Jyutpinggau2 si2 dong3 gon1 goeng1
Yalegáu sí dong gōn gēung

Definition

To mistake something worthless for something valuable.

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How it's used

This idiom is used to mock someone who lacks discernment or taste, specifically when they treat something worthless as if it were a precious commodity. It carries a strong sense of ridicule and is often used to criticize people who are easily fooled by superficial appearances or lack experience in judging quality.

Examples

He always mistakes trash for treasure, I really cannot bear to watch.
Don't mistake junk for something valuable, how could this possibly be worth money?

Common phrases

to treat as a treasure

Common mistake

Do not use this to describe someone who is simply being thrifty or frugal. It specifically implies a lack of judgment or a foolish overestimation of value, rather than a preference for cheap items.

Grammar color guide

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