canary in the coal mine? http://www.wisegeek.com/what-does-it-mean-to-be-a-canary-in-a-coal-mine.htm Life for an actual canary...sense, many business and political analysts use the term canary in a coal mine to describe a harbinger of the future...
礦坑裡的金絲雀(或百靈鳥)canaries非常敏感 能偵測出將發生的各種災難 例如氣爆 水崩 坍塌等 事先發出...
It looks like that a cat is swallowing a canary. like 在這裡不是動詞是介詞。