To dedicate oneself to persistent hard work and training over a long period, typically in preparation for a significant moment or to master a skill.
为了在比赛中取得好成绩，她十年磨剑，终于在决赛中展现出了惊人的技艺。
To achieve excellent results in the competition, she dedicated herself to persistent hard work for many years, finally showcasing astonishing skill in the finals.
Era:
Ancient
Frequency:
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