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Open the tool →镞砺括羽 (zú lì kuò yǔ) is a Chinese idiom (chengyu) meaning “to diligently hone one's skills and strive for continuous improvement”.
镞砺括羽 is pronounced zú lì kuò yǔ in Mandarin Chinese.
Literally, 镞砺括羽 means “Sharpen arrowheads and fletch feathers”. It is used to mean “to diligently hone one's skills and strive for continuous improvement”.
比喻人刻苦磨练,力求精进。镞砺,磨砺箭头;括羽,用羽毛装束箭尾。