ugly duckling
丑小鸭；小时曾被家人视为笨丑而长大后才貌出众的人或先遭鄙视后被重视的事物
Elizabeth was an ugly duckling when she was a child, but now she is a beauty and becomes a famous film star.
伊丽莎白小时候是个丑小鸭，但是现在她是一个大美人，还是一个著名的影星。
　
egg-head
知识分子；书呆子；自以为有学问的人
Robert is an egg-head. He thinks that he knows everything.
罗勃特是一个自以为有学问的人，他以为他什么都知道。

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