常見例句Her business this year is strictly on the bum. 我們今年的生意實在壞透了。They were splashing about in the surf. 他們在拍岸的浪花中戯水。You're just a good for nothing bum! 你一無是処！He spent several years on the bum. 他過了幾年流浪生活。He gave me a bum steer on the last exam that I failed. 上次考試他給我指點錯了，所以我沒及格。Got a bum deal on my final grade for the course. 這門課我最後得了一個不公平的分數(shù) 返回 surf-bum