杵

金刚杵

jīn gāng chǔ

vajra scepter (ritual object of Buddhism)

铁杵成针

tiě chǔ chéng zhēn

see 磨杵成針|磨杵成针[mo2 chu3 cheng2 zhen1]

只要功夫深，铁杵磨成针

zhǐ yào gōng fu shēn , tiě chǔ mó chéng zhēn

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

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

血流漂杵

xuè liú piāo chǔ

enough blood flowing to float pestles (idiom); rivers of blood