To demonstrate outstanding talent or capability early in a new role or endeavor, like a newly sharpened blade.
新来的设计师刚接手项目，就新硎初试，提出了许多独到的创意，让团队成员刮目相看。
The new designer, fresh to the project, immediately displayed outstanding capabilities like a newly sharpened blade, proposing many unique ideas that impressed the team members.
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