磨

to rub / to grind / to polish / to sharpen / to wear down / to die out / to waste time / to pester / to insist

grindstone / to grind / to turn round

surname Shi / abbr. for Shijiazhuang 石家莊|石家庄[Shi2 jia1 zhuang1]

dry measure for grain equal to ten dou 斗 / ten pecks / one hundred liters

rock / stone / stone inscription / one of the eight categories of ancient musical instruments 八音[ba1 yin1]

variant of 麻[ma2] / hemp

surname Ma

generic name for hemp, flax etc / hemp or flax fiber for textile materials / sesame / CL:縷|缕[lü3] / (of materials) rough or coarse / pocked / pitted / to have pins and needles or tingling / to feel numb

dry measure for grain equal to ten dou 斗[dou3]; one hundred liters / ancient pr. [shi2]

indelible

the road to happiness is strewn with setbacks (idiom)

lit. cutting and polishing (idiom) / fig. to learn by exchanging ideas or experiences

premolar tooth

lit. to kill the donkey when the grinding is done (idiom) / to get rid of sb once he has ceased to be useful

UN convention against torture and cruel treatment (ratified by PRC in 1988)

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

(proverb) A lazy person will find many excuses to delay working / lit. When a lazy donkey is turning a grindstone, it takes a lot of time off for peeing and pooing

lit. to kill the donkey when the grinding is done (idiom) / fig. to get rid of sb once he has ceased to be useful

a blade will get rusty if it is not sharpened; a man will fall behind if he doesn't study (idiom)