Early sailors called belugas " sea canaries" .

早期水手们称白鲸为“海洋高”。

You can even train a young canary to sing.

你甚至可以教一只幼小雀唱歌。

It's why they sent the canaries down first to check the air.

这也就是为什么他们先派雀去检查空气。

Ten-second trivia: Which of these animals is nicknamed the canary of the sea?

下面哪种动物被戏称为海中雀？

" You look like a cat that's swallowed a canary, " I could not help snapping.

" 你活像一只吞了雀猫，" 我禁不住怒气冲冲地说。

Muslims are like canaries in the coal mine.

理性、通晓市民。

After treatment, both groups of canaries began singing.

注射完成后，两组雀都开始一展歌喉。

If the canaries died, the miners knew the air was not healthy.

如果雀死了，矿工就知道里面空气不健康。

And in this massive, global, online experiment that we are all living through, we in Britain are the canary.

在这个大规模、全球性、在验中，我们都生活在这里，我们英国人变成了雀。

But that is not what singing like a canary means.

然而，这并不是这个表达真正意思。

" What, and get attacked by another flock of canaries? " muttered Ron.

“什么？再让一群小鸟来啄我？”罗恩嘟囔道。

See how the canary is clothed. It is covered with feathers.

看一看雀穿美丽衣裳，它浑身上下都盖着羽毛。

I would've sung like a canary. I'm just saying.

我会像雀开口歌唱 只是这么一说。

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

和老板吃饭员工，就像是煤矿中雀。

Some of these canaries received doses of testosterone to the POM only.

其中一些只在POM区域被注射一定量激素。

What's this word? The canary? The cannery? - The cannery. - The cannery. Cannery.

这个词是什么？雀？罐头厂？- 罐头厂。- 罐头厂。罐头厂。

But that is not what singing like a canary means. Not even a little.

但那不是" sing like a canary" 意思。一点也不沾边。

I thought... I don't know. I read that as canary, thought it was bird related.

我以为… … 我不知道。我把它读成雀，以为和鸟有关。

She is like a canary that cannot stop singing!

就像一只无法停止歌唱雀一样！

Why does English use canaries in this expression?

为什么英语里这个表达要用到雀这个词呢？