Tā zài gǔshì lǐ mǎikōng-màikōng, jiéguǒ kuī de yītāhútu.
He speculated in the stock market and ended up losing his shirt.
Tips
history
First attested in late-Qing memorials criticising Daoguang-era 'crooked merchants'. Originally a literal market-trading term - selling goods you don't own and buying back later - it grew a second life as a metaphor for political grift.