zhè / wèi / lǎo / chē bǎ shi / gǎn / le / èr / shí / nián / mǎ chē / duì / měi / yì / tiáo / shān lù / dōu / liǎo rú zhǐ zhǎng

这位老车把势赶了二十年马车，对每一条山路都了如指掌。

This old cart driver has been driving a horse-drawn carriage for twenty years and knows every mountain road like the back of his hand.