bum

The old bum sat on the park bench, sharing his bread with the pigeons.

(Chinese) 那个老流浪汉坐在公园长椅上，把面包分给鸽子吃。

He lost his job and spent months living like a bum on the city streets.

(Chinese) 他失去了工作，在城市街道上像流浪汉一样生活了几个月。