gold / chemical element Au / generic term for lustrous and ductile metals / money / golden / highly respected / one of the eight categories of ancient musical instruments 八音[ba1 yin1]
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
the eight-character slogan for the economic policy proposed by 李富春[Li3 Fu4 chun1] in 1961: 調整、鞏固、充實、提高|调整、巩固、充实、提高 "adjust, consolidate, enrich and improve" / a policy expressed as an eight-character slogan
a policy expressed as an eight-character slogan / (esp.) the eight-character slogan for the economic policy proposed by 李富春[Li3 Fu4 chun1] in 1961: 調整、鞏固、充實、提高|调整、巩固、充实、提高 "adjust, consolidate, enrich and improve"