Not all street bums deserve our sympathy; some of them allegedly rob passers-by with a knife. So keep your guard up as you walk past a street bum.
 street bum; hobo; vagrant a homeless person是白話的說法. street bum 最普遍.< >
當隊伍輸兩分時，Jason 不爭氣，未投進三分球而輸了比賽。 (請填空)
When the team was down by two points, Jason missed the three pointer. Jason faild the team.