To chisel without stopping
To pursue something unrelentingly; to persevere
Positive
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This is an HSK chengyu
《荀子》(Xún Zǐ), a work by the famous Warring States period (战国时期, 475 - 221 BC) Confucian scholar of the same name
This chengyu is from a line in the work listed in the "Origin" section above