In English, if someone makes a mistake which makes him look stupid, we can say 'he got egg on his face'.

在英国，要是有人犯错误，这使他看起来很蠢，我们能说，“他脸上的蛋。

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There's no saying who might ultimately bid on this elephant bird egg, but, clearly, it takes an eccentric -- someone prone to spending money on things that don't serve a greater purpose beyond just being weird for the sake of weird.

CNN: Apparently This Matters: Giant elephant bird egg