A: How much is the fare?
B: Just two bucks, it is only a short journey.
A: The horse bucked and kicked me in the face.
B: Ouch! Why were you standing behind him?
A: Buck up, it is not the end of the world.
B: Easier said then done.
buck n. 1.(一)美元，(一)澳元;2. 雄鹿，雄兔
buck up (使)振奋，(使)打起精神
A: I like your new shoes.
B: Thanks, but the buckles are too stiff at the moment.
A: What happed to your bicycle?
B: The wheel buckled when I hit a stone in the middle of the road.
buckle v. 1. 用搭扣扣紧;2. (使)变形，弯曲
buckle down 倾全力，开始认真从事
A: I am looking forward to the spring when the flowers will come into bud.
B: Me too, it has been a long winter.
bud n. 叶芽，花蕾
A: Do you think that the Buddhist way of life is the best?
B: I am not quite sure yet, I still need to think about it.
Buddhist n. 佛教徒
A: Have you ever seen a buffalo?
B: No, but I would like to.
buffalo n. 水牛，(北美)野牛
A: He used his pillow as a buffer against the noise.
B: Why, did he have difficulty sleeping?
A: The mirror needs a polish.
B: But I don’t have anything to buffer it with.
buffer n. 1. 起缓冲作用的人(或物);2. 缓冲器，减震器
A: Will there be any food at the party?
B: I heard that the hosts are providing a buffet.
buffet n. 1.(火车站的)饮食柜台，(火车内的)餐车
A: There is a bug crawling over foot, watch out.
B: You could have warned me soon, I hate insects in any shape or form.
A: Go away, you are bugging me.
B: Please, I just have one more question.
bug n. 1. 虫子;2. 小病，(机器等)故障，缺陷;3. 窃听器
vt. 1. 烦扰，纠缠;2. 在……装窃听器
A: I have bulges in all the wrong places.
B: Stop worrying about your weight, I think you are beautiful.
A: Your bag is bulging, what have you got in it?
B: Far too much, it is too heavy.
bulge n. 膨胀，肿胀
vi. 1. 膨胀，凸出，鼓起;2. 塞满，装满
A: Be careful, there is a bull in that field over there.
B: Oh, I am not afraid of him.
bull n. 1. 公牛，雄兽;2.买进证券(或商品等)投机图利者，(对股市行情)看涨的人
A: Did you receive the bulletin I sent you?
B: No, but I did not check my post today.
bulletin n. 1.(报纸,之声等)简明新闻，最新消息;2. 公告，布告，公报;3. 学报，期刊(尤指某机构的机关刊物)