The timid investors acted like canaries in a coal mine, fleeing the market at the first sign of trouble.

The sudden departures of our most outspoken employees were canaries in the coal mine, signaling deeper problems in the company culture.

The neighborhood's increase in abandoned storefronts acted as a canary in the coal mine for the city's economic decline.

After a few drinks, he leaned in and whispered, 'your place or mine?'

The abandoned open-pit mine near the town has become a dangerous, water-filled crater.

If you want to call yourself hopeless, your words, not mine — but you did leave your phone in the freezer this morning.

When people tell me the odds are stacked against them, I just smile and say 'I got mine' to show that if I could make it, they can too.

Environmentalists organized rallies after discovering the company was strip-mining the fragile wetlands.

Local quartz mining peaked in the late 1800s when prospectors discovered rich gold veins.

Data mining allowed the analytics team to uncover hidden buying patterns across millions of transaction records.