yú​mù​hùn​zhū

to pass off fakes as genuine

鱼目混珠 魚目混珠 yú​mù​hùn​zhū
to pass off fakes as genuine
Literally meaning "to mix fish eyes with pearls", this idiom describes passing off something fake or low-quality as the real thing or something of high value.

Frequency

Movie subtitles
0.060 per million appears in 0% of films
Written text
0.426 per million

Sources