Subject + 磨成 + Result
磨成 (móchéng) means 'to grind into' a particular form and is a resultative verb compound of 磨 (to grind) and 成 (to become). It describes the process of grinding a substance into a different state, such as grinding tea leaves into powder or grain into flour.
她把咖啡豆磨成了细粉,准备冲咖啡。
tā bǎ kāfēi dòu mó chéng le xì fěn, zhǔnbèi chōng kāfēi.
She ground the coffee beans into a fine powder, getting ready to brew coffee.
古代人把茶叶磨成粉末,再用热水冲泡。
gǔdài rén bǎ cháyè mó chéng fěnmò, zài yòng rè shuǐ chōngpào.
In ancient times, people ground tea leaves into powder and then brewed it with hot water.
奶奶把花生磨成酱,味道特别香。
nǎinai bǎ huāshēng mó chéng jiàng, wèidào tèbié xiāng.
Grandma ground the peanuts into a paste — it tasted especially delicious.