If someone looks very proud or satisfied with himself, we say he looks like the cat that ate the canary.

VOA: special.2009.09.27

The one with the pointy roof, which I can't see, is Canary Wharf itself.

那个有尖头屋顶的，现在我看不见，是金丝雀码头本身。

现代化的地方 - SpeakingMax英语口语达人

so all the big banks are in Canary Wharf, I think.

所以，我觉得所有的大银行都在金丝雀码头了，我是这样认为的。

伦敦的金融中心地 - SpeakingMax英语口语达人