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Cutting edge
01
刃
the forefront or leading position in a particular field or area of activity, characterized by the most advanced or innovative practices, technologies, or ideas
What is the origin of the idiom "cutting edge" and when to use it?
The idiom "cutting edge" originated in the mid-19th century and is used to describe the forefront or leading position in a particular field or area of activity. The phrase draws upon the concept of a sharp cutting tool or instrument, which represents the most advanced or innovative practices, technologies, or ideas within a given context. It signifies being at the forefront of progress, often associated with pioneering advancements and pushing the boundaries of knowledge or development.
02
刃
the side of a tool that is sharp and used for cutting things
例
As a carpenter, he knows the importance of a sharp chisel, so he straps it regularly to maintain its cutting edge.
The bladesmith carefully hones the sword to ensure its cutting edge is razor-sharp.
