| 词汇 | canary-in-a-coalmine |
| 释义 | canary in a coalmineidiom(alsocanary in the coalmine, canary in the mine) something that gives an early warning of danger or failure, in the way that, in the past, a canary taken into a mine(= an underground place for digging coal or minerals) would die if the air was not safe to breathe, warning the people working there: The Arctic has been called the canary in a coalmine when it comes to global warming. He likens butterflies to the canary in the coalmine, being the first to suffer when the environment is under stress. The canary in the mine is the airport. As long as its usage is down, hotel usage and the local economy will be down. Threats & warnings advance warning alarm alarm bell bell-ringing beware the ides of Marchidiom bomb scare bow brushback pitch burglar alarm cautionary don't you dareidiom early warning system hear warning bellsidiom one swallow doesn't make a summeridiom protection racket red alert red flag scare quotes screamer yellow card |
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