1N-COUNT 游民;（尤指四处行乞的）流浪汉 A hobo is a person who has no home, especially one who travels from place to place and gets money by begging. 游民;（尤指四处行乞的）流浪汉 [US]
in BRIT, use 英国英语用 tramp
2N-COUNT 流动工人;（尤指）流动性农工 A hobo is a worker, especially a farm worker, who goes from place to place in order to find work. 流动工人;（尤指）流动性农工 [US]