在路上英语怎么说

“在路上”的英语表达是“on the road”，这个表达来源于拉丁语“via strata”，意思是“公路上”。下面是一些英文例句：
I met an old friend on the road the other day.
She's been on the road for weeks, traveling across the country.
We need to get to the next town before nightfall. We don't want to be on the road after dark.
He spends most of his time on the road, working as a salesman representative for his company.
希望这些例句能帮助您理解这个表达的意思。