Dinner with the boss is like a canary in a coal mine.

和老板吃饭的员工，就像是煤矿中的金丝雀。

The expression canary in a coal mine is used as a warning.

“煤矿中的金丝雀”通常是用作警示语。

They are the proverbial canary in a coal mine.

他们是众所周知的煤矿中的金丝雀。

His question has to do with an expression, " canary in a coal mine."

他的问题与“煤矿中的金丝雀” 的表达有关。

Islands such as these are like canaries in a coal mine and it's increasingly urgent that we act on the warnings they are giving us, said Lavers.

“像这样的岛屿就像煤矿里的金丝雀，我们越来越迫切地需要根据它们发出的警告采取行动，”赖维斯说。