《徐霞客游记·粤西游日记二十一》
此时落日已下垂，问知走到县城还有二十里，连忙越过山岭，沿危崖而行。
时日已下迫，问抵县城尚二十里，亟逾岭，循危崖而行。
At this time the sun had already set, I asked and learned that we still had twenty miles to go before we reached the county, I quickly went over the mountain range and walked along the dangerous cliff.