The idiom "cold feet" is believed to have emerged in the early 20th century. One theory suggests that it originated from the physical sensation of having cold feet, which can cause discomfort and unease. This physical discomfort was metaphorically extended to describe a psychological state of hesitation or reluctance. Another theory relates the phrase to theatrical slang, where actors nervous before a performance would have cold feet due to reduced blood flow caused by anxiety. It is often used in discussions about commitments, decisions, or actions that require courage or resolve.

What is the origin of the idiom "make a go of something" and when to use it?

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英語での「cold feet」の定義と意味

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