如果说某人“吃乌鸦”，意思是他不得不承认他犯了个错误或者做某事失败了。

Anyone who eats crow has to admit a mistake or defeat.

youdao

火炉像乌鸦一样黑，有一条长长的脖子和一个铜把手；它吃木柴，这样火才从它的嘴里喷出来。

The stove is as black as a crow, and has a long neck and a brass knob; it eats firewood, so that fire spurts out of its mouth.

youdao

一只名叫贝蒂的新喀里多尼亚乌鸦把一根笔直的铁丝咬成一个弯钩，用它把一小桶她最喜欢吃的食物从一根垂直的管子里吊了出来。

One New Caledonian crow, called Betty, bent some straight wire into a hook and used it to lift a small bucket of her favourite food from a vertical pipe.

youdao

So he begins here: Rookslive in a crowd and are mainly vegetarian; Crow may be either another name for rook, especially when seen alone, or it may mean the solitary Carrion crow.

所以他开头这样写道：,白嘴鸦过着群居的生活，它们大部分是素食者;,单独看的时候，乌鸦也能做白嘴鸦的别名，或者乌鸦就是指独居的吃腐肉的乌鸦。

耶鲁公开课 - 文学理论导论课程节选