cāo / zuò / yuán / lā / xià / shā / bǎ / hòu / jī / qì / lì / kè / tíng / zhǐ / le / zhuǎn / dòng

操作员拉下刹把后，机器立刻停止了转动。

After the operator pulled down the crank handle, the machine immediately stopped turning.