táo​jīn

pan for gold

淘金 táo​jīn
pan for gold verb
to pan for gold; to wash earth or gravel to find gold particles

In the nineteenth century, thousands of people flocked to California to pan for gold.

seek profit verb
(figuratively) to seek quick profits or cash in on a lucrative opportunity

The company hopes to strike gold in the booming e-commerce market.

Frequency

Movie subtitles
1.34 per million appears in 1% of films
Written text
6.50 per million

Sources

Definitions
CC-CEDICT