1、He lived for a time as a hobo, traveling the country by hitchhiking and train hopping.
他曾经过一段时间以露宿者的身份生活，通过搭顺风车和跳货车来旅行全国。
2、The old man claimed to have been a hobo in his youth, wandering from town to town.
那个老人声称在年轻时曾是一个露宿者，在城镇之间漫游。