If you work at it hard enough, you can grind an iron bar into a needle. · cf idiom 磨杵成針|磨杵成针, to grind an iron bar down to a fine needle (idiom); fig. to persevere in a difficult task · to study diligently
2 Written Forms
Meanings
1If you work at it hard enough, you can grind an iron bar into a needle.
2cf idiom 磨杵成針|磨杵成针, to grind an iron bar down to a fine needle (idiom); fig. to persevere in a difficult task