The origin of the idiom "blow a fuse" can be traced back to the early 20th century when it emerged as an idiomatic expression in American English. The phrase draws its metaphorical meaning from the electrical fuse, a safety device that breaks or "blows" when there is an overload of electrical current, thereby preventing damage to the circuit. It is commonly employed when individuals reach a breaking point and react explosively to a triggering event or situation. It is often used to describe instances where someone becomes overwhelmed by emotions and loses their temper in a sudden and dramatic manner.

What is the origin of the idiom "blow a fuse" and when to use it?

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英語での「blow a fuse」の定義と意味

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