磨杵成针

mo2 chu3 cheng2 zhen1

to grind an iron bar down to a fine needle (idiom); fig. to persevere in a difficult task, to study diligently

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磨杵成针

mó chǔ chéng zhēn

rub a pestle into a needle -- perseverance will prevail; an iron pestle can be ground down to a needle; grind a mortar into a needle; little strokes fell great oaks; Long, persistent practice makes perfect.; With time and patience the leaf of mulberry becomes satin.

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磨杵成針|磨杵成针 [mó chǔ chéng zhēn] ► to grind an iron bar down to a fine needle (idiom); fig. to persevere in a difficult task ► to study diligently