Language expert Charles Earle Funk said the expression was first used almost 700 years ago.

语言专家查尔斯·芬克(Charles Earle Funk)表示，这个短语最早见于700多年前。

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One writer, Charles Earle Funk, questions the story. He says there is no historical proof of it, at least none that can be found.

由一位作者查尔斯·厄尔·芬克提出质疑，认为缺乏历史根据，至少未发现任何证据。

youdao

Language expert Charles Earle Funk said the expression was first used almost seven hundred years ago.

VOA: special.2010.01.31